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#!/usr/bin/env bash
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
main()
{
# Handle opts
while getopts ":h" opt
do
case "$opt" in
h) usage && exit 0 ;;
*)
printf "Invalid option passed: %s\n" "$OPTARG" >&2
;;
esac
done
shift $(( OPTIND - 1 ))
PATHVAR="${1:-PATH}"
printf "%s" "${!PATHVAR}" | sed 's/:/\n/g'
printf "\n"
}
usage()
{
cat <<EOF
Usage:
${0##*/} -h
${0##*/} [PATHVAR]
Print a PATHVAR as a human-readable list of paths. If PATHVAR is not given, it
will default to PATH.
Options:
-h Show this help text and exit.
EOF
}
main "$@"
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