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#!/bin/sh
# shellcheck disable=SC2034
# A very basic argument parser written for POSIX sh. Only supports printing
# a help message or a version number. Intended for scripts that have no good
# reason to support debugging messages.
quiet=0
for arg; do
case "$arg" in
-h|--help)
/usr/bin/printf "${help_message:=git gud}\n"
exit 0
;;
-q|--quiet)
quiet=1
;;
-v|--version)
/usr/bin/printf "${name:=my_program} ${version:=X.Y}\n"
exit 0
;;
esac
done