Add path utility

1 files changed, 49 insertions, 0 deletions

diff --git a/.local/bin/path b/.local/bin/path
new file mode 100755
index 0000000..a3a6517
--- /dev/null
+++ b/.local/bin/path
@@ -0,0 +1,49 @@
+#!/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
+	${0##*/} [PATHVAR]
+
+Print a PATHVAR as a human-readable list of paths. If PATHVAR is not given, it
+will default to PATH.
+
+Options:
+	-h  Show this help text and exit.
+EOF
+}
+
+main "$@"