Minor fix + add some examples.

examples/example.sh

@@ -58,3 +58,63 @@ add3 9
 
 list a b c d | foldl lambda acc el . 'echo -n $acc-$el'
 list '' a b c d | foldr lambda acc el . 'if [[ ! -z $acc ]]; then echo -n $acc-$el; else echo -n $el; fi'
+
+seq 1 4 | foldl lambda acc el . 'echo $(($acc + $el))'
+
+#1 - 2 - 3 - 4
+seq 1 4 | foldl lambda acc el . 'echo $(($acc - $el))'
+#1 - 4 - 3 - 2
+seq 1 4 | foldr lambda acc el . 'echo $(($acc - $el))'
+
+#1 + (1 + 1) * 2 + (4 + 1) * 3 + (15 + 1) * 4 = 64
+
+seq 1 4 | foldl lambda acc el . 'echo $(mul $(($acc + 1)) $el)'
+
+#1 + (1 + 1) * 4 + (8 + 1) * 3 + (27 + 1) * 2 = 56
+seq 1 4 | foldr lambda acc el . 'echo $(mul $(($acc + 1)) $el)'
+
+tup a 1
+tupl $(tup a 1)
+tupr $(tup a 1)
+tup a 1 | tupl
+tup a 1 | tupr
+
+seq 1 10 | buff lambda a b . 'echo $(($a + $b))'
+echo 'XX'
+seq 1 10 | buff lambda a b c d e . 'echo $(($a + $b + $c + $d + $e))'
+
+list a b c d e f | zip $(seq 1 10)
+
+echo
+list a b c d e f | zip $(seq 1 10) | last | tupr
+
+arg='[key1=value1,key2=value2,key3=value3]'
+get() {
+  local pidx=$1
+  local idx=$2
+  local arg=$3
+  echo $arg | tr -d '[]' | cut -d',' -f$idx | cut -d'=' -f$pidx
+}
+
+curry get_key get 1
+curry get_value get 2
+
+get_key 1 $arg
+get_value 1 $arg
+
+seq 1 3 | map lambda a . 'tup $(get_key $a $arg) $(get_value $a $arg)'
+
+echo 'ls /home' | try λ cmd status ret . 'echo $cmd [$status]; echo $ret'
+echo '/home' | try λ cmd status ret . 'echo $cmd [$status]; echo $ret'
+
+seq 1 5 | scanl lambda a b . 'echo $(($a + $b))'
+seq 1 5 | scanl lambda a b . 'echo $(($a + $b))' | last
+
+seq 2 3 | map lambda a . 'seq 1 $a' | join , [ ]
+list a b c | map lambda a . 'echo $a; echo $a | tr a-z A-z' | join , [ ]
+
+echo 0 | cat - <(curl -s https://raw.githubusercontent.com/ssledz/bash-fun/v1.1.1/src/fun.sh) | \
+    map lambda a . 'list $a' | foldl lambda acc el . 'echo $(($acc + 1))'
+
+echo 0 | cat - <(curl -s curl -s https://raw.githubusercontent.com/ssledz/bash-fun/v1.1.1/src/fun.sh) \
+            | foldl lambda acc el . 'echo $(($acc + 1))'

src/fun.sh

@@ -170,9 +170,10 @@ revers_str() {
 try() {
   local f="$@"
   local cmd=$(cat -)
-  ret="$(2>&1 $cmd)"
-  local status=$?
-  list "$cmd" $status $(list $ret | join \#) | $f
+  local ret=$(2>&1 eval "$cmd"; echo $?)
+  local cnt=$(list $ret | wc -l)
+  local status=$(list $ret | last)
+  list "$cmd" $status $(list $ret | take $((cnt - 1)) | join \#) | $f
 }
 
 ret() {