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[New] Posts on cloc, python interrupts, and zsh&snaps

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Brandon Rozek 2020-01-26 09:56:13 -05:00
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---
title: "cloc"
date: 2020-01-25T10:24:16-05:00
draft: false
images: []
---
**C**ount **L**ines **o**f **C**ode is an application included in the standard Ubuntu repositories that counts the lines of code separated by programming language.
It is able to separate out blank lines, comment lines, and actual code lines in the count. It's quick and easy to use for giving a quick statistic on any given code repository.
To count lines of code in the current directory,
```bash
cloc .
```
An example from my website repository:
```
1019 text files.
894 unique files.
158 files ignored.
github.com/AlDanial/cloc v1.82 T=0.58 s (1501.1 files/s, 213974.9 lines/s)
-----------------------------------------------------------------------
Language files blank comment code
-----------------------------------------------------------------------
HTML 581 14457 4041 69754
Markdown 248 6758 0 14620
XML 9 1201 0 5291
JavaScript 8 478 1282 2623
JSON 11 0 0 1875
CSS 7 216 47 1048
TOML 3 22 17 120
SVG 1 2 0 20
Bourne Shell 1 0 0 3
-----------------------------------------------------------------------
SUM: 869 23134 5387 95354
-----------------------------------------------------------------------
```

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---
title: "Quick Python: Interrupts"
date: 2020-01-25T09:51:34-05:00
draft: false
images: []
---
This post is part of a new series I'm starting where I quickly outline small Python snippets.
If you have an application that you want to gracefully exit when the user presses CTRL-C here's the short snippet
```python
import signal
import sys
# Function that gets called when interrupt is found
def signal_handler(sig, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
# Attach the function to the interrupt signal
signal.signal(signal.SIGINT,signal_handler)
print('Press Ctrl+C')
```

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---
title: "Zsh and Snaps"
date: 2020-01-25T09:46:23-05:00
draft: false
images: []
---
In case I forget again, by default when snaps are installed it doesn't populate in the `zsh` shell. To enable this add the following to `/etc/zsh/zprofile`
```bash
emulate sh -c 'source /etc/profile.d/apps-bin-path.sh'
```
In case you don't have `apps-bin-path.sh` in `/etc/profile.d/`, then here's the file as of this date:
```bash
# shellcheck shell=sh
# Expand $PATH to include the directory where snappy applications go.
snap_bin_path="/snap/bin"
if [ -n "${PATH##*${snap_bin_path}}" -a -n "${PATH##*${snap_bin_path}:*}" ]; then
export PATH=$PATH:${snap_bin_path}
fi
# Ensure base distro defaults xdg path are set if nothing filed up some
# defaults yet.
if [ -z "$XDG_DATA_DIRS" ]; then
export XDG_DATA_DIRS="/usr/local/share:/usr/share"
fi
# Desktop files (used by desktop environments within both X11 and Wayland) are
# looked for in XDG_DATA_DIRS; make sure it includes the relevant directory for
# snappy applications' desktop files.
snap_xdg_path="/var/lib/snapd/desktop"
if [ -n "${XDG_DATA_DIRS##*${snap_xdg_path}}" -a -n "${XDG_DATA_DIRS##*${snap_xdg_path}:*}" ]; then
export XDG_DATA_DIRS="${XDG_DATA_DIRS}:${snap_xdg_path}"
fi
```
Source: [hackel](https://askubuntu.com/users/263969/hackel) on [Ask Ubuntu](https://askubuntu.com/questions/910821/programs-installed-via-snap-not-showing-up-in-launcher).