Skip to content

Instantly share code, notes, and snippets.

View barnumbirr's full-sized avatar

Martin Simon barnumbirr

View GitHub Profile
@barnumbirr
barnumbirr / newscript.sh
Created January 22, 2024 07:37 — forked from aaronNGi/newscript.sh
Boilerplate for new POSIX shell scripts
#!/bin/sh
prog_name=${0##*/}
version=1.0
version_text="Boilerplate for new scripts v$version"
options="h o: q v V"
help_text="Usage: $prog_name [-o <text>] [-hqvV] [<file>]...
Boilerplate for new scripts
#!/bin/bash
if [ "$#" -ne "1" ]; then
echo "Usage: $0 package_list"
exit 1
fi
cat $1 | xargs -I {} bash -c "echo {}; brew deps {}" | sort | uniq > /tmp/brew_keep
comm -23 <(brew list -1 | sort) <(cat /tmp/brew_keep) > /tmp/brew_rm
lines=$(cat /tmp/brew_rm | wc -l | sed -e 's/ //g')