feat(core): add script

script

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+usage() {
+	printf "Usage: %s [options]\n" "$0"
+}
+
+on_interrupt() {
+	print "Process aborted!\n"
+
+	exit 130
+}
+
+main() {
+	while getopts "hf:" option; do
+		case "${option}" in
+			h) usage; exit 0;;
+			f) FOO="$OPTARG";;
+			*) usage; exit 1;;
+		esac
+	done
+
+	FOO="${FOO:-defaultValue}"
+
+	exit 0
+}
+
+trap on_interrupt INT
+
+main "$@"