Simplified, shellchecked, and name deconflicted for personal use
This commit is contained in:
parent
142e1bade4
commit
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17 changed files with 540 additions and 774 deletions
2
.version
2
.version
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@ -1 +1 @@
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2.4
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2.5b
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1
LICENSE
1
LICENSE
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@ -1,5 +1,6 @@
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MIT License
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Copyright (c) 2020 Brandon Rozek
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Copyright (c) 2019 Sławomir Śledź
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Permission is hereby granted, free of charge, to any person obtaining a copy
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314
README.md
314
README.md
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@ -1,12 +1,15 @@
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# Introduction
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[Introduction to fun.sh library](http://ssledz.github.io/presentations/bash-fun.html#/)
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This is a fork of [ssledz's fun.sh library](https://github.com/ssledz/bash-fun).
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This is mainly for my own personal use cases. So I would recommend using ssledz's version instead.
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I mainly worked towards getting this library to mostly pass shellcheck, removed some functionality,
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and name deconflicted some of the functions with what I had in my system.
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# Quick start
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```bash
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#!/bin/bash
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. <(test -e fun.sh || curl -Ls https://raw.githubusercontent.com/ssledz/bash-fun/master/src/fun.sh > fun.sh; cat fun.sh)
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. <(test -e fun.sh || curl -Ls https://raw.githubusercontent.com/brandon-rozek/bash-fun/master/src/fun.sh > fun.sh; cat fun.sh)
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seq 1 4 | sum
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```
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@ -14,17 +17,17 @@ seq 1 4 | sum
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# Functions overview
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|||||||
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|------|------|------|------|------|------|
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|**append**|**buff**|**call**|**catch**|**curry**|**div**|
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|**drop**|**dropw**|**factorial**|**filter**|**foldl**|**foldr**|
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|**list_append**|**divide**|**take_while**|
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|**list_drop**|**drop_while**|**factorial**|**filter**|**foldl**|
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|**isint**|**isempty**|**isfile**|**isnonzerofile**|**isreadable**|**iswritable**|
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|**isdir**|**join**|**lambda**|**last**|**lhead**|**list**|
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|**ltail**|**lzip**|**map**|**maybe**|**maybemap**|**maybevalue**|
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|**mod**|**mul**|**not**|**ntup**|**ntupl**|**ntupr**|
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|**ntupx**|**peek**|**plus**|**prepend**|**product**|**ret**|
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|**res**|**revers**|**revers_str**|**scanl**|**splitc**|**strip**|
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|**stripl**|**stripr**|**sub**|**sum**|**take**|**try**|
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|**tup**|**tupl**|**tupr**|**tupx**|**unlist**|**λ**|
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|**with_trampoline**|
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|**isdir**|**list_join**|**lambda**|**list_last**|**list_head**|**list**|
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|**list_tail**|**list_zip**|**list_map**|
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|**mod**|**multiply**|**not**|
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|**add**|**list_prepend**|**product**|**ret**|
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|**revers**|**revers_str**|**scanl**|**splitc**|**strip**|
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|**stripl**|**stripr**|**subtract**|**sum**|**take**|
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|**tup**|**unlist**|**λ**|
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## *list/unlist*
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@ -38,25 +41,25 @@ $ list 1 2 3 4 5 | unlist
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1 2 3 4 5
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```
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## *take/drop/ltail/lhead/last*
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## *list_take/list_drop/list_tail/list_head/list_last*
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```bash
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$ list 1 2 3 4 | drop 2
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$ list 1 2 3 4 | list_drop 2
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3
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4
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$ list 1 2 3 4 5 | lhead
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$ list 1 2 3 4 5 | list_head
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1
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$ list 1 2 3 4 | ltail
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$ list 1 2 3 4 | list_tail
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2
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3
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4
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$ list 1 2 3 4 5 | last
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$ list 1 2 3 4 5 | list_last
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5
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$ list 1 2 3 4 5 | take 2
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$ list 1 2 3 4 5 | list_take 2
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1
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2
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```
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@ -64,61 +67,36 @@ $ list 1 2 3 4 5 | take 2
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## *join*
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```bash
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$ list 1 2 3 4 5 | join ,
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$ list 1 2 3 4 5 | list_join ,
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1,2,3,4,5
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$ list 1 2 3 4 5 | join , [ ]
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[1,2,3,4,5]
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```
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## *map*
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```bash
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$ seq 1 5 | map λ a . 'echo $((a + 5))'
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$ seq 1 5 | list_map λ a . 'echo $((a + 5))'
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6
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7
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8
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9
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10
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$ list a b s d e | map λ a . 'echo $a$(echo $a | tr a-z A-Z)'
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$ list a b s d e | list_map λ a . 'echo $a$(echo $a | tr a-z A-Z)'
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aA
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bB
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sS
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dD
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eE
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$ list 1 2 3 | map echo
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$ list 1 2 3 | list_map tee
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1
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2
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3
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$ list 1 2 3 | map 'echo $ is a number'
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1 is a number
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2 is a number
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3 is a number
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$ list 1 2 3 4 | map 'echo \($,$\) is a point'
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(1,1) is a point
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(2,2) is a point
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(3,3) is a point
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(4,4) is a point
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```
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## *flat map*
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```bash
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$ seq 2 3 | map λ a . 'seq 1 $a' | join , [ ]
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[1,2,1,2,3]
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$ list a b c | map λ a . 'echo $a; echo $a | tr a-z A-z' | join , [ ]
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[a,A,b,B,c,C]
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```
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## *filter*
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```bash
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$ seq 1 10 | filter λ a . '[[ $(mod $a 2) -eq 0 ]] && ret true || ret false'
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$ seq 1 10 | filter even
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2
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4
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6
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@ -131,10 +109,6 @@ $ seq 1 10 | filter λ a . '[[ $(mod $a 2) -eq 0 ]] && ret true || ret false'
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```bash
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$ list a b c d | foldl λ acc el . 'echo -n $acc-$el'
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a-b-c-d
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$ list '' a b c d | foldr λ acc el .\
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'if [[ ! -z $acc ]]; then echo -n $acc-$el; else echo -n $el; fi'
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d-c-b-a
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```
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```bash
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@ -143,11 +117,8 @@ $ seq 1 4 | foldl λ acc el . 'echo $(($acc + $el))'
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```
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```bash
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$ seq 1 4 | foldl λ acc el . 'echo $(mul $(($acc + 1)) $el)'
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$ seq 1 4 | foldl λ acc el . 'echo $(multiply $(($acc + 1)) $el)'
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64 # 1 + (1 + 1) * 2 + (4 + 1) * 3 + (15 + 1) * 4 = 64
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$ seq 1 4 | foldr λ acc el . 'echo $(mul $(($acc + 1)) $el)'
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56 # 1 + (1 + 1) * 4 + (8 + 1) * 3 + (27 + 1) * 2 = 56
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```
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## *tup/tupx/tupl/tupr*
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@ -160,19 +131,16 @@ $ tup 'foo bar' 1 'one' 2
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(foo bar,1,one,2)
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$ tup , 1 3
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(u002c,1,3)
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(,,1,3)
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```
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```bash
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$ tupl $(tup a 1)
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$ echo tup a 1 | tupl
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a
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$ tupr $(tup a 1)
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$ echo tup a 1 | tupr
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1
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$ tup , 1 3 | tupl
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,
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$ tup 'foo bar' 1 'one' 2 | tupl
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foo bar
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@ -180,63 +148,10 @@ $ tup 'foo bar' 1 'one' 2 | tupr
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2
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```
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```bash
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$ tup 'foo bar' 1 'one' 2 | tupx 2
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1
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$ tup 'foo bar' 1 'one' 2 | tupx 1,3
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foo bar
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one
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$ tup 'foo bar' 1 'one' 2 | tupx 2-4
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1
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one
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2
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```
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## *ntup/ntupx/ntupl/ntupr*
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## *list_zip*
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```bash
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$ ntup tuples that $(ntup safely nest)
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(dHVwbGVzCg==,dGhhdAo=,KGMyRm1aV3g1Q2c9PSxibVZ6ZEFvPSkK)
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echo '(dHVwbGVzCg==,dGhhdAo=,KGMyRm1aV3g1Q2c9PSxibVZ6ZEFvPSkK)' | ntupx 3 | ntupr
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nest
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$ ntup 'foo,bar' 1 one 1
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(Zm9vLGJhcgo=,MQo=,b25lCg==,MQo=)
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$ echo '(Zm9vLGJhcgo=,MQo=,b25lCg==,MQo=)' | ntupx 1
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foo,bar
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```
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```bash
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$ ntupl $(ntup 'foo bar' 1 one 2)
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foo bar
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$ ntupr $(ntup 'foo bar' 1 one 2)
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2
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```
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## *buff*
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```bash
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$ seq 1 10 | buff λ a b . 'echo $(($a + $b))'
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3
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7
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11
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15
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19
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$ seq 1 10 | buff λ a b c d e . 'echo $(($a + $b + $c + $d + $e))'
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15
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40
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```
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## *lzip*
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```bash
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$ list a b c d e f | lzip $(seq 1 10)
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$ list a b c d e f | list_zip $(seq 1 10)
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(a,1)
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(b,2)
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(c,3)
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@ -246,86 +161,10 @@ $ list a b c d e f | lzip $(seq 1 10)
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```
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```bash
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$ list a b c d e f | lzip $(seq 1 10) | last | tupr
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$ list a b c d e f | list_zip $(seq 1 10) | list_last | tupr
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6
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```
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## *curry*
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```bash
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add2() {
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echo $(($1 + $2))
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}
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```
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```bash
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$ curry inc add2 1
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```
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```bash
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$ inc 2
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3
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$ seq 1 3 | map λ a . 'inc $a'
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2
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3
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4
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```
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## *peek*
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```bash
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$ list 1 2 3 \
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| peek lambda a . echo 'dbg a : $a' \
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| map lambda a . 'mul $a 2' \
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| peek lambda a . echo 'dbg b : $a' \
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| sum
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dbg a : 1
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dbg a : 2
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dbg a : 3
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dbg b : 2
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dbg b : 4
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dbg b : 6
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12
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```
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```bash
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$ a=$(seq 1 4 | peek lambda a . echo 'dbg: $a' | sum)
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dbg: 1
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dbg: 2
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dbg: 3
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dbg: 4
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$ echo $a
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10
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```
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## *maybe/maybemap/maybevalue*
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```bash
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$ list Hello | maybe
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(Just,Hello)
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$ list " " | maybe
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(Nothing)
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$ list Hello | maybe | maybemap λ a . 'tr oH Oh <<<$a'
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(Just,hellO)
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$ list " " | maybe | maybemap λ a . 'tr oH Oh <<<$a'
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(Nothing)
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$ echo bash-fun rocks | maybe | maybevalue DEFAULT
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bash-fun rocks
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$ echo | maybe | maybevalue DEFAULT
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DEFAULT
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```
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## *not/isint/isempty*
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```bash
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@ -338,7 +177,7 @@ false
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$ not true
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false
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$ not isint 777
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$ not "isint 777"
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false
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$ list 1 2 "" c d 6 | filter λ a . 'isint $a'
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@ -346,7 +185,7 @@ $ list 1 2 "" c d 6 | filter λ a . 'isint $a'
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2
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6
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$ list 1 2 "" c d 6 | filter λ a . 'not isempty $a'
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$ list 1 2 "" c d 6 | filter λ a . 'not "isempty $a"'
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1
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2
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c
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@ -393,35 +232,6 @@ $ list $files | filter λ a . 'not isfile $a'
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/tmp
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/no_such_file
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```
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## *try/catch*
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```bash
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$ echo 'expr 2 / 0' | try λ _ . 'echo 0'
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0
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$ echo 'expr 2 / 0' | try λ status . 'echo $status'
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2
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$ echo 'expr 2 / 2' | try λ _ . 'echo 0'
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1
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```
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```bash
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try λ _ . 'echo some errors during pull; exit 1' < <(echo git pull)
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```
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```bash
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$ echo 'expr 2 / 0' \
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| LANG=en catch λ cmd status val . 'echo cmd=$cmd,status=$status,val=$val'
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cmd=expr 2 / 0,status=2,val=(expr:,division,by,zero)
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```
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```bash
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$ echo 'expr 2 / 2' | catch λ _ _ val . 'tupl $val'
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1
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```
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## *scanl*
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```bash
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@ -434,58 +244,10 @@ $ seq 1 5 | scanl lambda acc el . 'echo $(($acc + $el))'
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```
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```bash
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$ seq 1 5 | scanl lambda a b . 'echo $(($a + $b))' | last
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$ seq 1 5 | scanl lambda a b . 'echo $(($a + $b))' | list_last
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15
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```
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## *with_trampoline/res/call*
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```bash
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factorial() {
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fact_iter() {
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local product=$1
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local counter=$2
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local max_count=$3
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if [[ $counter -gt $max_count ]]; then
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res $product
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else
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call fact_iter $(echo $counter\*$product | bc) $(($counter + 1)) $max_count
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fi
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}
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with_trampoline fact_iter 1 1 $1
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}
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```
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```bash
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$ time factorial 30 | fold -w 70
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265252859812191058636308480000000
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real 0m1.854s
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user 0m0.072s
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sys 0m0.368s
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```
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```bash
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time factorial 60 | fold -w 70
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8320987112741390144276341183223364380754172606361245952449277696409600
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000000000000
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real 0m3.635s
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user 0m0.148s
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sys 0m0.692s
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```
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```bash
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$ time factorial 90 | fold -w 70
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1485715964481761497309522733620825737885569961284688766942216863704985
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393094065876545992131370884059645617234469978112000000000000000000000
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real 0m4.371s
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user 0m0.108s
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sys 0m0.436s
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```
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# Examples
|
||||
|
||||
```bash
|
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|
|
@ -498,7 +260,7 @@ processNames() {
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|
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list $@ \
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| filter λ name . '[[ ${#name} -gt 1 ]] && ret true || ret false' \
|
||||
| map λ name . 'uppercase $name' \
|
||||
| list_map λ name . 'uppercase $name' \
|
||||
| foldl λ acc el . 'echo $acc,$el'
|
||||
|
||||
}
|
||||
|
|
@ -511,7 +273,7 @@ Adam,Monika,Slawek,Daniel,Bartek
|
|||
```
|
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|
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# Running tests
|
||||
|
||||
TODO: Need to change the tests here
|
||||
```bash
|
||||
cd test
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||||
./test_runner
|
||||
|
|
|
|||
747
src/fun.sh
Executable file → Normal file
747
src/fun.sh
Executable file → Normal file
|
|
@ -1,25 +1,8 @@
|
|||
#!/bin/bash
|
||||
|
||||
drop() {
|
||||
command tail -n +$(($1 + 1))
|
||||
}
|
||||
|
||||
take() {
|
||||
command head -n ${1}
|
||||
}
|
||||
|
||||
ltail() {
|
||||
drop 1
|
||||
}
|
||||
|
||||
lhead() {
|
||||
take 1
|
||||
}
|
||||
|
||||
last() {
|
||||
command tail -n 1
|
||||
}
|
||||
#!/bin/sh
|
||||
|
||||
###############################################
|
||||
## List Functions
|
||||
###############################################
|
||||
list() {
|
||||
for i in "$@"; do
|
||||
echo "$i"
|
||||
|
|
@ -27,28 +10,63 @@ list() {
|
|||
}
|
||||
|
||||
unlist() {
|
||||
cat - | xargs
|
||||
xargs
|
||||
}
|
||||
|
||||
append() {
|
||||
# Drop the first n items of a list.
|
||||
list_drop() {
|
||||
command tail -n +$(($1 + 1))
|
||||
}
|
||||
|
||||
# Take the first n items of a list.
|
||||
list_take() {
|
||||
command head -n "$1"
|
||||
}
|
||||
|
||||
# Take the 'tail' of a list.
|
||||
# Otherwise known as dropping the first element.
|
||||
list_tail() {
|
||||
list_drop 1
|
||||
}
|
||||
|
||||
# Take only the first element of the list.
|
||||
list_head() {
|
||||
list_take 1
|
||||
}
|
||||
|
||||
# Take the last element of the list.
|
||||
list_last() {
|
||||
command tail -n 1
|
||||
}
|
||||
|
||||
# Add the contents of standard input
|
||||
# to the end of the list.
|
||||
list_append() {
|
||||
cat -
|
||||
list "$@"
|
||||
}
|
||||
|
||||
prepend() {
|
||||
# Add the contents of standard input
|
||||
# to the beginning of the list.
|
||||
list_prepend() {
|
||||
list "$@"
|
||||
cat -
|
||||
}
|
||||
|
||||
|
||||
###############################################
|
||||
## Lambdas and Lists
|
||||
###############################################
|
||||
# Defines an anonymous function.
|
||||
lambda() {
|
||||
|
||||
# shellcheck disable=2039
|
||||
local expression
|
||||
lam() {
|
||||
# shellcheck disable=2039
|
||||
local arg
|
||||
while [[ $# -gt 0 ]]; do
|
||||
while [ $# -gt 0 ]; do
|
||||
arg="$1"
|
||||
shift
|
||||
if [[ $arg = '.' ]]; then
|
||||
if [ "$arg" = '.' ]; then
|
||||
echo "$@"
|
||||
return
|
||||
else
|
||||
|
|
@ -57,381 +75,474 @@ lambda() {
|
|||
done
|
||||
}
|
||||
|
||||
eval $(lam "$@")
|
||||
|
||||
expression=$(lam "$@")
|
||||
eval "$expression"
|
||||
}
|
||||
|
||||
# Same as lambda.
|
||||
# shellcheck disable=2039
|
||||
λ() {
|
||||
lambda "$@"
|
||||
}
|
||||
|
||||
map() {
|
||||
if [[ $1 != "λ" ]] && [[ $1 != "lambda" ]]; then
|
||||
# Print the number of arguments a lambda takes.
|
||||
# shellcheck disable=2039
|
||||
λ_num_args() {
|
||||
# Calculates the number of arguments a lambda takes
|
||||
minus "$#" 3
|
||||
}
|
||||
|
||||
local has_dollar=$(list $@ | grep '\$' | wc -l)
|
||||
|
||||
if [[ $has_dollar -ne 0 ]]; then
|
||||
args=$(echo $@ | sed -e 's/\$/\$a/g')
|
||||
map λ a . $args
|
||||
else
|
||||
map λ a . "$@"' $a'
|
||||
fi
|
||||
else
|
||||
# Perform an operation to each
|
||||
# element(s) of a list provided
|
||||
# through standard input.
|
||||
list_map() {
|
||||
# shellcheck disable=2039
|
||||
local x
|
||||
while read x; do
|
||||
# shellcheck disable=2039
|
||||
local i
|
||||
# shellcheck disable=2039
|
||||
local arguments
|
||||
# shellcheck disable=2039
|
||||
local num_args
|
||||
if [ "$1" = "λ" ] || [ "$1" = "lambda" ]; then
|
||||
num_args=$(λ_num_args "$@")
|
||||
while read -r x; do
|
||||
arguments="$x"
|
||||
i=2
|
||||
while [ $i -le "$num_args" ] ; do
|
||||
read -r x
|
||||
arguments="$arguments $x"
|
||||
i=$(add $i 1)
|
||||
done
|
||||
# We want to word split arguments, so no quotes
|
||||
eval "list $arguments" | "$@"
|
||||
done
|
||||
else # Do not know the arity, assume 1
|
||||
while read -r x; do
|
||||
echo "$x" | "$@"
|
||||
done
|
||||
fi
|
||||
}
|
||||
|
||||
# Perform a binary operation on a list
|
||||
# where one element is the accumulation
|
||||
# of the results so far.
|
||||
# Ex: seq 3 | foldl lambda a b . 'minus $a $b'
|
||||
# First is (1 - 2 = -1) then (-1 - 3 = -4).
|
||||
foldl() {
|
||||
local f="$@"
|
||||
# shellcheck disable=2039
|
||||
local acc
|
||||
read acc
|
||||
while read elem; do
|
||||
acc="$({ echo $acc; echo $elem; } | $f )"
|
||||
read -r acc
|
||||
while read -r elem; do
|
||||
acc=$({ echo "$acc"; echo "$elem"; } | "$@" )
|
||||
done
|
||||
echo "$acc"
|
||||
}
|
||||
|
||||
foldr() {
|
||||
local f="$@"
|
||||
local acc
|
||||
local zero
|
||||
read zero
|
||||
foldrr() {
|
||||
local elem
|
||||
|
||||
if read elem; then
|
||||
acc=$(foldrr)
|
||||
# [[ -z $acc ]] && echo $elem && return
|
||||
else
|
||||
echo $zero && return
|
||||
fi
|
||||
|
||||
acc="$({ echo $acc; echo $elem; } | $f )"
|
||||
echo "$acc"
|
||||
}
|
||||
|
||||
foldrr
|
||||
}
|
||||
|
||||
# Constructs a list where each element
|
||||
# is the foldl of the 0th-ith elements of
|
||||
# the list.
|
||||
scanl() {
|
||||
local f="$@"
|
||||
# shellcheck disable=2039
|
||||
local acc
|
||||
read acc
|
||||
echo $acc
|
||||
while read elem; do
|
||||
acc="$({ echo $acc; echo $elem; } | $f )"
|
||||
read -r acc
|
||||
echo "$acc"
|
||||
while read -r elem; do
|
||||
acc=$({ echo "$acc"; echo "$elem"; } | "$@" )
|
||||
echo "$acc"
|
||||
done
|
||||
}
|
||||
|
||||
mul() {
|
||||
( set -f; echo $(($1 * $2)) )
|
||||
# Drops any elements of the list where the
|
||||
# function performed on it evaluates to false.
|
||||
filter() {
|
||||
# shellcheck disable=2039
|
||||
local x
|
||||
while read -r x; do
|
||||
ret=$(echo "$x" | "$@")
|
||||
if_then "$ret" "echo $x"
|
||||
done
|
||||
}
|
||||
|
||||
plus() {
|
||||
echo $(($1 + $2))
|
||||
# Keep taking elements until a certain condition
|
||||
# is false.
|
||||
take_while() {
|
||||
# shellcheck disable=2039
|
||||
local x
|
||||
# shellcheck disable=2039
|
||||
local condition
|
||||
while read -r x; do
|
||||
condition="$(echo "$x" | "$@")"
|
||||
if_then_else "$condition" "echo $x" "break"
|
||||
done
|
||||
}
|
||||
|
||||
sub() {
|
||||
echo $(($1 - $2))
|
||||
# Keep dropping elements until a certain condition
|
||||
# is false.
|
||||
drop_while() {
|
||||
# shellcheck disable=2039
|
||||
local x
|
||||
while read -r x; do
|
||||
condition="$(echo "$x" | "$@")"
|
||||
if_then_else "$condition" 'do_nothing' 'break'
|
||||
done
|
||||
if_then "[ -n $x ]" "{ echo $x; cat -; }"
|
||||
}
|
||||
|
||||
div() {
|
||||
echo $(($1 / $2))
|
||||
|
||||
###############################################
|
||||
## Arithmetic Functions
|
||||
###############################################
|
||||
multiply() {
|
||||
# shellcheck disable=2039
|
||||
local a
|
||||
# shellcheck disable=2039
|
||||
local b
|
||||
a=$1
|
||||
if [ $# -lt 2 ] ; then
|
||||
read -r b
|
||||
else
|
||||
b=$2
|
||||
fi
|
||||
isint "$a" > /dev/null && \
|
||||
isint "$b" > /dev/null && \
|
||||
echo $((a * b))
|
||||
}
|
||||
|
||||
add() {
|
||||
# shellcheck disable=2039
|
||||
local a
|
||||
# shellcheck disable=2039
|
||||
local b
|
||||
a=$1
|
||||
if [ $# -lt 2 ] ; then
|
||||
read -r b
|
||||
else
|
||||
b=$2
|
||||
fi
|
||||
isint "$a" > /dev/null && \
|
||||
isint "$b" > /dev/null && \
|
||||
echo $((a + b))
|
||||
}
|
||||
|
||||
minus() {
|
||||
# shellcheck disable=2039
|
||||
local a
|
||||
# shellcheck disable=2039
|
||||
local b
|
||||
a=$1
|
||||
if [ $# -lt 2 ] ; then
|
||||
b=$1
|
||||
read -r a
|
||||
else
|
||||
b=$2
|
||||
fi
|
||||
isint "$a" > /dev/null && \
|
||||
isint "$b" > /dev/null && \
|
||||
echo $((a - b))
|
||||
}
|
||||
|
||||
divide() {
|
||||
# shellcheck disable=2039
|
||||
local a
|
||||
# shellcheck disable=2039
|
||||
local b
|
||||
a=$1
|
||||
if [ $# -lt 2 ] ; then
|
||||
b=$1
|
||||
read -r a
|
||||
else
|
||||
b=$2
|
||||
fi
|
||||
isint "$a" > /dev/null && \
|
||||
isint "$b" > /dev/null && \
|
||||
echo $((a / b))
|
||||
}
|
||||
|
||||
mod() {
|
||||
echo $(($1 % $2))
|
||||
# shellcheck disable=2039
|
||||
local a
|
||||
# shellcheck disable=2039
|
||||
local b
|
||||
a=$1
|
||||
if [ $# -lt 2 ] ; then
|
||||
b=$1
|
||||
read -r a
|
||||
else
|
||||
b=$2
|
||||
fi
|
||||
isint "$a" > /dev/null && \
|
||||
isint "$b" > /dev/null && \
|
||||
echo $((a % b))
|
||||
}
|
||||
|
||||
even() {
|
||||
# shellcheck disable=2039
|
||||
local n
|
||||
# shellcheck disable=2039
|
||||
local result
|
||||
# shellcheck disable=2039
|
||||
local result_code
|
||||
if [ $# -lt 1 ] ; then
|
||||
read -r n
|
||||
else
|
||||
n=$1
|
||||
fi
|
||||
result=$(mod "$n" 2)
|
||||
result_code=$?
|
||||
if [ $result_code -ne 0 ] ; then
|
||||
ret false
|
||||
else
|
||||
result_to_bool "[ $result = 0 ]"
|
||||
fi
|
||||
}
|
||||
|
||||
odd() {
|
||||
not even
|
||||
}
|
||||
|
||||
less_than() {
|
||||
# shellcheck disable=2039
|
||||
local n
|
||||
read -r n
|
||||
if isint "$n" > /dev/null && \
|
||||
[ "$n" -lt "$1" ] ; then
|
||||
ret true
|
||||
else
|
||||
ret false
|
||||
fi
|
||||
}
|
||||
|
||||
sum() {
|
||||
foldl lambda a b . 'echo $(($a + $b))'
|
||||
foldl lambda a b . "add \$a \$b"
|
||||
}
|
||||
|
||||
product() {
|
||||
foldl lambda a b . 'echo $(mul $a $b)'
|
||||
foldl lambda a b . "multiply \$a \$b"
|
||||
}
|
||||
|
||||
factorial() {
|
||||
seq 1 $1 | product
|
||||
seq 1 "$1" | product
|
||||
}
|
||||
|
||||
###############################################
|
||||
## String Operations
|
||||
###############################################
|
||||
# Splits a string into a list where each element
|
||||
# is one character.
|
||||
splitc() {
|
||||
cat - | sed 's/./&\n/g'
|
||||
sed 's/./\n&/g' | list_tail
|
||||
}
|
||||
|
||||
join() {
|
||||
local delim=$1
|
||||
local pref=$2
|
||||
local suff=$3
|
||||
echo $pref$(cat - | foldl lambda a b . 'echo $a$delim$b')$suff
|
||||
# Takes a list and creates a string where
|
||||
# each element is seperated by a delimiter.
|
||||
list_join() {
|
||||
# shellcheck disable=2039
|
||||
local delim
|
||||
delim=$1
|
||||
foldl lambda a b . "echo \$a$delim\$b"
|
||||
}
|
||||
|
||||
# Split a string into a list
|
||||
# by a specified delimeter
|
||||
str_split() {
|
||||
sed "s/$1/\n/g"
|
||||
}
|
||||
|
||||
# Reverses a list.
|
||||
revers() {
|
||||
foldl lambda a b . 'append $b $a'
|
||||
# shellcheck disable=2039
|
||||
local result
|
||||
# shellcheck disable=2039
|
||||
local n
|
||||
while read -r n; do
|
||||
result="$n\n$result"
|
||||
done
|
||||
echo "$result"
|
||||
}
|
||||
|
||||
revers_str() {
|
||||
cat - | splitc | revers | join
|
||||
# Removes multiple occurences of
|
||||
# a single character from the beginning
|
||||
# of the list.
|
||||
lstrip() {
|
||||
# shellcheck disable=2039
|
||||
local c
|
||||
if [ $# -eq 0 ] ; then
|
||||
c=" "
|
||||
else
|
||||
c="$1"
|
||||
fi
|
||||
sed "s/^$c*//g"
|
||||
}
|
||||
|
||||
catch() {
|
||||
local f="$@"
|
||||
local cmd=$(cat -)
|
||||
local val=$(2>&1 eval "$cmd"; echo $?)
|
||||
local cnt=$(list $val | wc -l)
|
||||
local status=$(list $val | last)
|
||||
$f < <(list "$cmd" $status $(list $val | take $((cnt - 1)) | unlist | tup))
|
||||
# Removes multiple occurences of
|
||||
# a single character from the end
|
||||
# of the list.
|
||||
rstrip() {
|
||||
# shellcheck disable=2039
|
||||
local c
|
||||
if [ $# -eq 0 ] ; then
|
||||
c=" "
|
||||
else
|
||||
c="$1"
|
||||
fi
|
||||
sed "s/$c*$//g"
|
||||
}
|
||||
|
||||
try() {
|
||||
local f="$@"
|
||||
catch lambda cmd status val . '[[ $status -eq 0 ]] && tupx 1- $val | unlist || { '"$f"' < <(list $status); }'
|
||||
# Removes multiple occurences of
|
||||
# a single character from the beginning
|
||||
# and end of the list.
|
||||
strip() {
|
||||
lstrip "$@" | rstrip "$@"
|
||||
}
|
||||
|
||||
###############################################
|
||||
## Tuple Functions
|
||||
###############################################
|
||||
|
||||
# Creates a tuple, which is a string with
|
||||
# multiple elements seperated by a comma,
|
||||
# and it begins with a ( and ends with a ).
|
||||
tup() {
|
||||
# shellcheck disable=2039
|
||||
local args
|
||||
# shellcheck disable=2039
|
||||
local result
|
||||
if [ $# -eq 0 ]; then
|
||||
args=$(unlist)
|
||||
eval "tup $args"
|
||||
else
|
||||
result=$(list "$@" | list_join ,)
|
||||
echo "($result)"
|
||||
fi
|
||||
}
|
||||
|
||||
# Takes a tuple and outputs it as a list
|
||||
tup_to_list() {
|
||||
local li
|
||||
local f
|
||||
local la
|
||||
li=$(str_split ",")
|
||||
|
||||
# Remove '(' from the first element
|
||||
f=$(echo "$li" | list_head)
|
||||
f=$(echo "$f" | sed 's/^(//')
|
||||
|
||||
la=$(echo "$li" | list_last)
|
||||
# If there is only one element in the list
|
||||
# Remove ')' from the only element
|
||||
if [ "$(echo "$la" | cut -c1)" = "(" ]; then
|
||||
f=$(echo "$f" | sed "s/)$//")
|
||||
echo "$f"
|
||||
# If there is more than one element in the list
|
||||
# Remove ')' from the last element
|
||||
else
|
||||
la=$(echo "$la" | sed "s/)$//")
|
||||
# Remove the first and last element from li
|
||||
li=$(echo "$li" | list_tail | sed '$d')
|
||||
# Print the list
|
||||
{ echo "$f"; echo "$li"; echo "$la"; }
|
||||
fi
|
||||
}
|
||||
|
||||
# Takes the first element of the tuple
|
||||
tupl() {
|
||||
tup_to_list | list_head
|
||||
}
|
||||
|
||||
# Takes the last element of the tuple
|
||||
tupr() {
|
||||
tup_to_list | list_last
|
||||
}
|
||||
|
||||
|
||||
# Takes each element from a list in standard
|
||||
# input and matches it with a list provided
|
||||
# as the argument to this function.
|
||||
# The result is a list of 2-tuples.
|
||||
list_zip() {
|
||||
# shellcheck disable=2039
|
||||
local l
|
||||
l=$(list "$@")
|
||||
while read -r x; do
|
||||
y=$(echo "$l" | list_take 1)
|
||||
tup "$x" "$y"
|
||||
l=$(echo "$l" | list_drop 1)
|
||||
done
|
||||
}
|
||||
|
||||
###############################################
|
||||
## Logic Based Functions
|
||||
###############################################
|
||||
|
||||
if_then() {
|
||||
# shellcheck disable=2039
|
||||
local result
|
||||
eval "$1"
|
||||
result=$?
|
||||
if [ $result -eq 0 ] ; then
|
||||
eval "$2"
|
||||
fi
|
||||
}
|
||||
|
||||
if_then_else() {
|
||||
# shellcheck disable=2039
|
||||
local result
|
||||
eval "$1"
|
||||
result=$?
|
||||
if [ $result -eq 0 ] ; then
|
||||
eval "$2"
|
||||
else
|
||||
eval "$3"
|
||||
fi
|
||||
}
|
||||
|
||||
result_to_bool() {
|
||||
if_then_else "$1" 'ret true' 'ret false'
|
||||
}
|
||||
|
||||
not() {
|
||||
if_then_else "$1 > /dev/null" "ret false" "ret true"
|
||||
}
|
||||
|
||||
ret() {
|
||||
echo $@
|
||||
echo "$@"
|
||||
"$@"
|
||||
}
|
||||
|
||||
filter() {
|
||||
local x
|
||||
while read x; do
|
||||
ret=$(echo "$x" | "$@")
|
||||
$ret && echo $x
|
||||
done
|
||||
}
|
||||
|
||||
pass() {
|
||||
do_nothing() {
|
||||
echo > /dev/null
|
||||
}
|
||||
|
||||
dropw() {
|
||||
local x
|
||||
while read x && $(echo "$x" | "$@"); do
|
||||
pass
|
||||
done
|
||||
[[ ! -z $x ]] && { echo $x; cat -; }
|
||||
}
|
||||
|
||||
peek() {
|
||||
local x
|
||||
while read x; do
|
||||
([ $# -eq 0 ] && 1>&2 echo $x || 1>&2 "$@" < <(echo $x))
|
||||
echo $x
|
||||
done
|
||||
}
|
||||
|
||||
stripl() {
|
||||
local arg=$1
|
||||
cat - | map lambda l . 'ret ${l##'$arg'}'
|
||||
}
|
||||
|
||||
stripr() {
|
||||
local arg=$1
|
||||
cat - | map lambda l . 'ret ${l%%'$arg'}'
|
||||
}
|
||||
|
||||
strip() {
|
||||
local arg=$1
|
||||
cat - | stripl "$arg" | stripr "$arg"
|
||||
}
|
||||
|
||||
buff() {
|
||||
local cnt=-1
|
||||
for x in $@; do
|
||||
[[ $x = '.' ]] && break
|
||||
cnt=$(plus $cnt 1)
|
||||
done
|
||||
local args=''
|
||||
local i=$cnt
|
||||
while read arg; do
|
||||
[[ $i -eq 0 ]] && list $args | "$@" && i=$cnt && args=''
|
||||
args="$args $arg"
|
||||
i=$(sub $i 1)
|
||||
done
|
||||
[[ ! -z $args ]] && list $args | "$@"
|
||||
}
|
||||
|
||||
tup() {
|
||||
if [[ $# -eq 0 ]]; then
|
||||
local arg
|
||||
read arg
|
||||
tup $arg
|
||||
else
|
||||
list "$@" | map lambda x . 'echo ${x//,/u002c}' | join , '(' ')'
|
||||
fi
|
||||
}
|
||||
|
||||
tupx() {
|
||||
if [[ $# -eq 1 ]]; then
|
||||
local arg
|
||||
read arg
|
||||
tupx "$1" "$arg"
|
||||
else
|
||||
local n=$1
|
||||
shift
|
||||
echo "$@" | stripl '(' | stripr ')' | cut -d',' -f${n} | tr ',' '\n' | map lambda x . 'echo ${x//u002c/,}'
|
||||
fi
|
||||
}
|
||||
|
||||
tupl() {
|
||||
tupx 1 "$@"
|
||||
}
|
||||
|
||||
tupr() {
|
||||
tupx 1- "$@" | last
|
||||
}
|
||||
|
||||
ntup() {
|
||||
if [[ $# -eq 0 ]]; then
|
||||
local arg
|
||||
read arg
|
||||
ntup $arg
|
||||
else
|
||||
list "$@" | map lambda x . 'echo "$x" | base64 --wrap=0 ; echo' | join , '(' ')'
|
||||
fi
|
||||
}
|
||||
|
||||
ntupx() {
|
||||
if [[ $# -eq 1 ]]; then
|
||||
local arg
|
||||
read arg
|
||||
ntupx "$1" "$arg"
|
||||
else
|
||||
local n=$1
|
||||
shift
|
||||
echo "$@" | stripl '(' | stripr ')' | cut -d',' -f${n} | tr , '\n' | map lambda x . 'echo "$x" | base64 -d'
|
||||
fi
|
||||
}
|
||||
|
||||
ntupl() {
|
||||
ntupx 1 "$@"
|
||||
}
|
||||
|
||||
ntupr() {
|
||||
ntupx 1- "$@" | last
|
||||
}
|
||||
|
||||
lzip() {
|
||||
local list=$*
|
||||
cat - | while read x; do
|
||||
y=$(list $list | take 1)
|
||||
tup $x $y
|
||||
list=$(list $list | drop 1)
|
||||
done
|
||||
}
|
||||
|
||||
curry() {
|
||||
exportfun=$1; shift
|
||||
fun=$1; shift
|
||||
params=$*
|
||||
cmd=$"function $exportfun() {
|
||||
more_params=\$*;
|
||||
$fun $params \$more_params;
|
||||
}"
|
||||
eval $cmd
|
||||
}
|
||||
|
||||
with_trampoline() {
|
||||
local f=$1; shift
|
||||
local args=$@
|
||||
while [[ $f != 'None' ]]; do
|
||||
ret=$($f $args)
|
||||
# echo $ret
|
||||
f=$(tupl $ret)
|
||||
args=$(echo $ret | tupx 2- | tr ',' ' ')
|
||||
done
|
||||
echo $args
|
||||
}
|
||||
|
||||
res() {
|
||||
local value=$1
|
||||
tup "None" $value
|
||||
}
|
||||
|
||||
call() {
|
||||
local f=$1; shift
|
||||
local args=$@
|
||||
tup $f $args
|
||||
}
|
||||
|
||||
maybe() {
|
||||
if [[ $# -eq 0 ]]; then
|
||||
local arg
|
||||
read arg
|
||||
maybe "$arg"
|
||||
else
|
||||
local x="$*"
|
||||
local value=$(echo $x | strip)
|
||||
if [[ ${#value} -eq 0 ]]; then
|
||||
tup Nothing
|
||||
else
|
||||
tup Just "$value"
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
maybemap() {
|
||||
local x
|
||||
read x
|
||||
if [[ $(tupl $x) = "Nothing" ]]; then
|
||||
echo $x
|
||||
else
|
||||
local y=$(tupr "$x")
|
||||
local r=$(echo "$y" | map "$@")
|
||||
maybe "$r"
|
||||
fi
|
||||
}
|
||||
|
||||
maybevalue() {
|
||||
local default="$*"
|
||||
local x
|
||||
read x
|
||||
if [[ $(tupl $x) = "Nothing" ]]; then
|
||||
echo "$default"
|
||||
else
|
||||
echo $(tupr $x)
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# commonly used predicates for filter
|
||||
# e.g. list 1 a 2 b 3 c | filter lambda x . 'isint $x'
|
||||
|
||||
# inverse another test, e.g. "not isint $x"
|
||||
not() {
|
||||
local r=$("$@" 2>/dev/null)
|
||||
$r && ret false || ret true
|
||||
}
|
||||
###############################################
|
||||
## Useful utility functions
|
||||
###############################################
|
||||
|
||||
isint() {
|
||||
[ "$1" -eq "$1" ] 2>/dev/null && ret true || ret false
|
||||
result_to_bool "echo \"$1\" | grep -Eq '^-?[0-9]+$'"
|
||||
}
|
||||
|
||||
isempty() {
|
||||
[ -z "$1" ] && ret true || ret false
|
||||
result_to_bool "[ -z \"$1\" ]"
|
||||
}
|
||||
|
||||
isfile() {
|
||||
[ -f "$1" ] && ret true || ret false
|
||||
result_to_bool "[ -f \"$1\" ]"
|
||||
}
|
||||
|
||||
isnonzerofile() {
|
||||
[ -s "$1" ] && ret true || ret false
|
||||
result_to_bool "[ -s \"$1\" ]"
|
||||
}
|
||||
|
||||
isreadable() {
|
||||
[ -r "$1" ] && ret true || ret false
|
||||
result_to_bool "[ -r \"$1\" ]"
|
||||
}
|
||||
|
||||
iswritable() {
|
||||
[ -w "$1" ] && ret true || ret false
|
||||
result_to_bool "[ -w \"$1\" ]"
|
||||
}
|
||||
|
||||
isdir() {
|
||||
[ -d "$1" ] && ret true || ret false
|
||||
result_to_bool "[ -d \"$1\" ]"
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,15 +1,15 @@
|
|||
#! /bin/bash
|
||||
|
||||
testAppendToEmptyList() {
|
||||
assertEquals 4 "$(list | append 4)"
|
||||
assertEquals 4 "$(list | list_append 4)"
|
||||
}
|
||||
|
||||
testAppendToOneElementList() {
|
||||
assertEquals "1 4" "$(list 1 | append 4 | unlist)"
|
||||
assertEquals "1 4" "$(list 1 | list_append 4 | unlist)"
|
||||
}
|
||||
|
||||
testAppendToList() {
|
||||
assertEquals "1 2 3 4 5 4" "$(list 1 2 3 4 5 | append 4 | unlist)"
|
||||
assertEquals "1 2 3 4 5 4" "$(list 1 2 3 4 5 | list_append 4 | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,19 +0,0 @@
|
|||
#! /bin/bash
|
||||
|
||||
testCatchIfSuccess() {
|
||||
assertEquals 1 "$(echo 'expr 2 / 2' | catch lambda cmd status val . '[[ $status -eq 0 ]] && tupl $val || echo 0')"
|
||||
}
|
||||
|
||||
testCatchIfError() {
|
||||
assertEquals 0 $(echo 'expr 2 / 0' | catch lambda cmd status val . '[[ $status -eq 0 ]] && tupl $val || echo 0')
|
||||
assertEquals 'cmd=expr 2 / 0,status=2,val=(expr:,division,by,zero)' "$(echo 'expr 2 / 0' | echo 'expr 2 / 0' | LANG=en catch lambda cmd status val . 'echo cmd=$cmd,status=$status,val=$val')"
|
||||
}
|
||||
|
||||
testCatchEdgeCases() {
|
||||
assertEquals 1 "$(echo 'expr 2 / 2' | catch lambda _ _ val . 'tupl $val')"
|
||||
assertEquals 'expr 2 / 2' "$(echo 'expr 2 / 2' | catch lambda cmd . 'ret $cmd')"
|
||||
assertEquals 'expr 2 / 2,0' "$(echo 'expr 2 / 2' | catch lambda cmd status . 'ret $cmd,$status')"
|
||||
assertEquals 'expr 2 / 0,2' "$(echo 'expr 2 / 0' | catch lambda cmd status . 'ret $cmd,$status')"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,23 +1,23 @@
|
|||
#! /bin/bash
|
||||
|
||||
testDrop9From10() {
|
||||
assertEquals 10 $(list {1..10} | drop 9)
|
||||
assertEquals 10 $(list {1..10} | list_drop 9)
|
||||
}
|
||||
|
||||
testDrop8From10() {
|
||||
assertEquals "9 10" "$(list {1..10} | drop 8 | unlist)"
|
||||
assertEquals "9 10" "$(list {1..10} | list_drop 8 | unlist)"
|
||||
}
|
||||
|
||||
testDropAll() {
|
||||
assertEquals "" "$(list {1..10} | drop 10)"
|
||||
assertEquals "" "$(list {1..10} | list_drop 10)"
|
||||
}
|
||||
|
||||
testDropMoreThanAvailable() {
|
||||
assertEquals "" "$(list {1..10} | drop 15)"
|
||||
assertEquals "" "$(list {1..10} | list_drop 15)"
|
||||
}
|
||||
|
||||
testDropZero() {
|
||||
assertEquals "1 2 3 4 5 6 7 8 9 10" "$(list {1..10} | drop 0 | unlist)"
|
||||
assertEquals "1 2 3 4 5 6 7 8 9 10" "$(list {1..10} | list_drop 0 | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,16 +1,16 @@
|
|||
#! /bin/bash
|
||||
|
||||
testLHeadFromList() {
|
||||
assertEquals 1 $(list {1..10} | lhead)
|
||||
assertEquals 5 $(list 5 6 7 | lhead)
|
||||
assertEquals 1 $(list {1..10} | list_head)
|
||||
assertEquals 5 $(list 5 6 7 | list_head)
|
||||
}
|
||||
|
||||
testLHeadFromOneElementList() {
|
||||
assertEquals 1 $(list 1 | lhead)
|
||||
assertEquals 1 $(list 1 | list_head)
|
||||
}
|
||||
|
||||
testLHeadFromEmptyList() {
|
||||
assertEquals "" "$(list | lhead)"
|
||||
assertEquals "" "$(list | list_head)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
|
|||
|
|
@ -1,16 +1,16 @@
|
|||
#! /bin/bash
|
||||
|
||||
testLastFromList() {
|
||||
assertEquals 10 $(list {1..10} | last)
|
||||
assertEquals 7 $(list 5 6 7 | last)
|
||||
assertEquals 10 $(list {1..10} | list_last)
|
||||
assertEquals 7 $(list 5 6 7 | list_last)
|
||||
}
|
||||
|
||||
testLastFromOneElementList() {
|
||||
assertEquals 1 $(list 1 | last)
|
||||
assertEquals 1 $(list 1 | list_last)
|
||||
}
|
||||
|
||||
testLastFromEmptyList() {
|
||||
assertEquals "" "$(list | last)"
|
||||
assertEquals "" "$(list | list_last)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,38 +1,33 @@
|
|||
#!/bin/bash
|
||||
|
||||
testMapEmptyList() {
|
||||
assertEquals "" "$(list | map lambda x . 'echo $(($x + 1))')"
|
||||
assertEquals "" "$(list | list_map lambda x . 'echo $(($x + 1))')"
|
||||
}
|
||||
|
||||
testMapEmptyList_ifNoArgumentsInLambda() {
|
||||
assertEquals "" "$(list | map lambda . 'echo 3')"
|
||||
assertEquals "" "$(list | list_map lambda . 'echo 3')"
|
||||
}
|
||||
|
||||
testMapOneElementList() {
|
||||
assertEquals "3" "$(list 2 | map lambda x . 'echo $(($x + 1))')"
|
||||
assertEquals "3" "$(list 2 | list_map lambda x . 'echo $(($x + 1))')"
|
||||
}
|
||||
|
||||
testMapList() {
|
||||
assertEquals "2 3 4 5 6" "$(list {1..5} | map lambda x . 'echo $(($x + 1))' | unlist)"
|
||||
assertEquals "2 3 4 5 6" "$(list {1..5} | list_map lambda x . 'echo $(($x + 1))' | unlist)"
|
||||
}
|
||||
|
||||
testMapList_ifNoArgumentsInLambda() {
|
||||
assertEquals "9 9 9 9 9" "$(list {1..5} | map lambda . 'echo 9' | unlist)"
|
||||
assertEquals "9 9 9 9 9" "$(list {1..5} | list_map lambda . 'echo 9' | unlist)"
|
||||
}
|
||||
|
||||
testMapList_ifManyArgumentsInLambda() {
|
||||
list {1..5} | map lambda x y . 'echo $(($x + $y))' 2> /dev/null \
|
||||
list {1..5} | list_map lambda x y . 'echo $(($x + $y))' 2> /dev/null \
|
||||
&& fail "There should be syntax error, because map is an one argument operation"
|
||||
}
|
||||
|
||||
testFlatMap() {
|
||||
assertEquals "1 2 3 2 3 3" "$(list {1..3} | map lambda x . 'seq $x 3' | unlist)"
|
||||
assertEquals "d e h l l l o o r w" "$(list hello world | map lambda x . 'command fold -w 1 <<< $x' | sort | unlist)"
|
||||
}
|
||||
|
||||
testMapNoLambdaSyntax() {
|
||||
assertEquals "1 2 3" "$(list 1 2 3 | map echo | unlist)"
|
||||
assertEquals "1 is a number 2 is a number 3 is a number" "$(list 1 2 3 | map 'echo $ is a number' | unlist)"
|
||||
assertEquals "1 2 3 2 3 3" "$(list {1..3} | list_map lambda x . 'seq $x 3' | unlist)"
|
||||
assertEquals "d e h l l l o o r w" "$(list hello world | list_map lambda x . 'command fold -w 1 <<< $x' | sort | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
#! /bin/bash
|
||||
|
||||
testMaybe() {
|
||||
assertEquals '(Just,1)' "$(maybe 1)"
|
||||
assertEquals '(Just,1)' "$(echo 1 | maybe)"
|
||||
assertEquals '(Nothing)' "$(maybe '')"
|
||||
assertEquals '(Nothing)' "$(maybe ' ')"
|
||||
assertEquals '(Nothing)' "$(maybe ' ' ' ' ' ')"
|
||||
assertEquals '(Nothing)' "$(echo | maybe)"
|
||||
assertEquals '(Just,1 2 3)' "$(maybe 1 2 3)"
|
||||
assertEquals '(Just,1 2 3)' "$(echo 1 2 3 | maybe)"
|
||||
}
|
||||
|
||||
testMaybemap() {
|
||||
assertEquals '(Just,3)' "$(echo 1 | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo $(( a + 1 ))')"
|
||||
assertEquals '(Nothing)' "$(echo | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo $(( a + 1 ))')"
|
||||
|
||||
assertEquals '(Nothing)' "$(echo 1 | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo')"
|
||||
assertEquals '(Nothing)' "$(echo 1 | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo' | maybemap lambda a . 'echo $(( a + 1 ))')"
|
||||
}
|
||||
|
||||
testMaybevalue() {
|
||||
assertEquals 3 "$(echo 1 | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo $(( a + 1 ))' | maybevalue 0)"
|
||||
assertEquals 0 "$(echo | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo $(( a + 1 ))' | maybevalue 0)"
|
||||
assertEquals 'a b c' "$(echo | maybe | maybemap lambda a . 'echo $(( a + 1 ))' | maybemap lambda a . 'echo $(( a + 1 ))' | maybevalue a b c)"
|
||||
}
|
||||
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -8,16 +8,16 @@ testIsint() {
|
|||
assertEquals '1 2 3 4 5' "$(list 1 a 2 b 3 c 4 d 5 e | filter lambda x . 'isint $x' | unlist )"
|
||||
assertEquals '1 2' "$(list 1 a 2 b 3 c 4 d 5 e | filter lambda x . '($(isint $x) && [[ $x -le 2 ]] && ret true) || ret false ' | unlist )"
|
||||
|
||||
assertEquals 'false' $(not isint 1)
|
||||
assertEquals 'true' $(not isint a)
|
||||
assertEquals 'false' $(not "isint 1")
|
||||
assertEquals 'true' $(not "isint a")
|
||||
}
|
||||
|
||||
testIsempty() {
|
||||
assertEquals 'true' $(isempty "")
|
||||
assertEquals 'false' $(isempty a)
|
||||
|
||||
assertEquals 'true' $(not isempty a)
|
||||
assertEquals 'false' $(not isempty "")
|
||||
assertEquals 'true' $(not "isempty a")
|
||||
assertEquals 'false' $(not "isempty \"\"")
|
||||
}
|
||||
|
||||
testIsfile() {
|
||||
|
|
@ -26,7 +26,7 @@ testIsfile() {
|
|||
assertEquals 'true' $(isfile $f)
|
||||
assertEquals 'false' $(isfile $f.xxx)
|
||||
assertEquals 'false' $(isfile "")
|
||||
assertEquals 'true' $(not isfile $f.xxx)
|
||||
assertEquals 'true' $(not "isfile $f.xxx")
|
||||
|
||||
assertEquals 'false' $(isnonzerofile $f)
|
||||
echo hello world >$f
|
||||
|
|
|
|||
|
|
@ -1,15 +1,15 @@
|
|||
#! /bin/bash
|
||||
|
||||
testPrependToEmptyList() {
|
||||
assertEquals 4 "$(list | prepend 4)"
|
||||
assertEquals 4 "$(list | list_prepend 4)"
|
||||
}
|
||||
|
||||
testPrependToOneElementList() {
|
||||
assertEquals "4 1" "$(list 1 | prepend 4 | unlist)"
|
||||
assertEquals "4 1" "$(list 1 | list_prepend 4 | unlist)"
|
||||
}
|
||||
|
||||
testPrependToList() {
|
||||
assertEquals "4 1 2 3 4 5" "$(list 1 2 3 4 5 | prepend 4 | unlist)"
|
||||
assertEquals "4 1 2 3 4 5" "$(list 1 2 3 4 5 | list_prepend 4 | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,15 +1,15 @@
|
|||
#! /bin/bash
|
||||
|
||||
testLTailFrom10() {
|
||||
assertEquals "2 3 4 5 6 7 8 9 10" "$(list {1..10} | ltail | unlist)"
|
||||
assertEquals "2 3 4 5 6 7 8 9 10" "$(list {1..10} | list_tail | unlist)"
|
||||
}
|
||||
|
||||
testLTailFromOneElementList() {
|
||||
assertEquals "" "$(list 1 | ltail)"
|
||||
assertEquals "" "$(list 1 | list_tail)"
|
||||
}
|
||||
|
||||
testLTailFromEmptyList() {
|
||||
assertEquals "" "$(list | ltail)"
|
||||
assertEquals "" "$(list | list_tail)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
|
|||
|
|
@ -1,23 +1,23 @@
|
|||
#! /bin/bash
|
||||
|
||||
testTake9From10() {
|
||||
assertEquals "1 2 3 4 5 6 7 8 9" "$(list {1..10} | take 9 | unlist)"
|
||||
assertEquals "1 2 3 4 5 6 7 8 9" "$(list {1..10} | list_take 9 | unlist)"
|
||||
}
|
||||
|
||||
testTake8From10() {
|
||||
assertEquals "1 2 3 4 5 6 7 8" "$(list {1..10} | take 8 | unlist)"
|
||||
assertEquals "1 2 3 4 5 6 7 8" "$(list {1..10} | list_take 8 | unlist)"
|
||||
}
|
||||
|
||||
testTakeAll() {
|
||||
assertEquals "1 2 3 4 5 6 7 8 9 10" "$(list {1..10} | take 10 | unlist)"
|
||||
assertEquals "1 2 3 4 5 6 7 8 9 10" "$(list {1..10} | list_take 10 | unlist)"
|
||||
}
|
||||
|
||||
testTakeMoreThanAvailable() {
|
||||
assertEquals "1 2 3 4 5 6 7 8 9 10" "$(list {1..10} | take 15 | unlist)"
|
||||
assertEquals "1 2 3 4 5 6 7 8 9 10" "$(list {1..10} | list_take 15 | unlist)"
|
||||
}
|
||||
|
||||
testTakeZero() {
|
||||
assertEquals "" "$(list {1..10} | take 0 | unlist)"
|
||||
assertEquals "" "$(list {1..10} | list_take 0 | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -1,11 +0,0 @@
|
|||
#! /bin/bash
|
||||
|
||||
testTry() {
|
||||
assertEquals 1 "$(echo 'expr 2 / 2' | try lambda _ . 'ret 0')"
|
||||
assertEquals 0 "$(echo 'expr 2 / 0' | try lambda _ . 'ret 0')"
|
||||
assertEquals 2 "$(echo 'expr 2 / 0' | try lambda status . 'ret $status')"
|
||||
assertEquals 'already up to date' "$(echo 'echo already up to date' | try lambda _ . 'ret error')"
|
||||
assertEquals 'error exit 1' "$(try λ _ . 'echo "error"; echo exit 1' < <(echo fgit pull) | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
@ -8,8 +8,8 @@ testTupIfOneElement() {
|
|||
assertEquals '(1)' $(tup 1)
|
||||
assertEquals '(")' $(tup '"')
|
||||
assertEquals "(')" $(tup "'")
|
||||
assertEquals "(u002c)" $(tup ",")
|
||||
assertEquals "(u002cu002c)" $(tup ",,")
|
||||
assertEquals "(,)" $(tup ",")
|
||||
assertEquals "(,,)" $(tup ",,")
|
||||
assertEquals "(()" $(tup "(")
|
||||
assertEquals "())" $(tup ")")
|
||||
}
|
||||
|
|
@ -20,42 +20,10 @@ testTupHappyPath() {
|
|||
assertEquals '(a b,c d e,f)' "$(tup 'a b' 'c d e' 'f')"
|
||||
}
|
||||
|
||||
testTupxHappyPath() {
|
||||
assertEquals '4' $(tup 4 5 1 4 | tupx 1)
|
||||
assertEquals '5' $(tup 4 5 1 4 | tupx 2)
|
||||
assertEquals '1' $(tup 4 5 1 4 | tupx 3)
|
||||
assertEquals '4' $(tup 4 5 1 4 | tupx 4)
|
||||
|
||||
}
|
||||
|
||||
testTupxIfEmpty() {
|
||||
assertEquals '' "$(tup '' | tupx 1)"
|
||||
assertEquals '' "$(tup '' | tupx 5)"
|
||||
}
|
||||
|
||||
testTupxIfZeroIndex() {
|
||||
assertEquals '' "$(tup 1 3 | tupx 0 2>/dev/null)"
|
||||
}
|
||||
|
||||
testTupxIfSpecialChars() {
|
||||
assertEquals ',' "$(tup ',' | tupx 1)"
|
||||
assertEquals ',,' "$(tup ',,' | tupx 1)"
|
||||
assertEquals '(' "$(tup '(' | tupx 1)"
|
||||
assertEquals ')' "$(tup ')' | tupx 1)"
|
||||
assertEquals '()' "$(tup '()' | tupx 1)"
|
||||
assertEquals '(' "$(tup '(' ')' | tupx 1)"
|
||||
assertEquals '(' "$(tup '(' '(' | tupx 1)"
|
||||
assertEquals ')' "$(tup ')' ')' | tupx 1)"
|
||||
assertEquals ',' "$(tup 'u002c' | tupx 1)"
|
||||
assertEquals ',,' "$(tup 'u002cu002c' | tupx 1)"
|
||||
}
|
||||
|
||||
testTupxRange() {
|
||||
assertEquals '4 5' "$(tup 4 5 1 4 | tupx 1-2 | unlist)"
|
||||
assertEquals '4 4' "$(tup 4 5 1 4 | tupx 1,4 | unlist)"
|
||||
assertEquals '4 5 4' "$(tup 4 5 1 4 | tupx 1,2,4 | unlist)"
|
||||
}
|
||||
|
||||
testTupl() {
|
||||
assertEquals '4' "$(tup 4 5 | tupl)"
|
||||
assertEquals '4' "$(tup 4 5 6 | tupl)"
|
||||
|
|
@ -69,16 +37,4 @@ testTupr() {
|
|||
assertEquals '5' "$(tup 5 | tupr)"
|
||||
}
|
||||
|
||||
testNTup() {
|
||||
assertEquals '(KFlRbz0sWWdvPSkK,Ywo=)' "$(ntup $(ntup a b) c)"
|
||||
assertEquals '(YQo=,Ygo=)' "$(ntupl '(KFlRbz0sWWdvPSkK,Ywo=)')"
|
||||
assertEquals 'a' "$(ntupl '(YQo=,Ygo=)')"
|
||||
assertEquals 'b' "$(ntupr '(YQo=,Ygo=)')"
|
||||
assertEquals 'c' "$(ntupr '(KFlRbz0sWWdvPSkK,Ywo=)')"
|
||||
assertEquals 'a' "$(ntup $(ntup a b) c | ntupx 1 | ntupx 1)"
|
||||
assertEquals 'b' "$(ntup $(ntup a b) c | ntupx 1 | ntupx 2)"
|
||||
assertEquals 'c' "$(ntup $(ntup a b) c | ntupx 2)"
|
||||
assertEquals 'a b' "$(ntup $(ntup a b) c | ntupx 1 | ntupx 1,2 | unlist)"
|
||||
}
|
||||
|
||||
. ./shunit2-init.sh
|
||||
|
|
|
|||
Loading…
Reference in a new issue