dotfiles

commit d05458dac9b1f429fb0a2d6aa657d5267ba6f8b3
parent f6027483da1e6135969ee05dd7e3170145b0df04
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Mon, 16 Dec 2019 09:52:28 +0100

Add blank template for shell scripts with argument handling

Diffstat:
A
.local/bin/template.sh
 | 
66
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 66 insertions(+), 0 deletions(-)
diff --git a/.local/bin/template.sh b/.local/bin/template.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+# blank template for shell scripts
+
+version=0.1.0
+
+show_help() {
+	echo "usage: ${0##*/} [OPTIONS] COMMAND ..."
+	echo "short description here."
+	echo
+	echo "OPTIONS are one or more of the following:"
+	echo "   -h, --help      show this message"
+	echo "   -v, --version   show version and license information"
+	echo "   -V, --verbose   show version and license information"
+	echo "   --              do not consider any following args as options"
+}
+
+show_version() {
+	echo "${0##*/} version $version"
+	echo "Licensed under the ISC License"
+	echo "written by Anders Damsgaard, anders@adamsgaard.dk"
+	echo "https://src.adamsgaard.dk/dotfiles"
+}
+
+die() {
+	printf '%s\n' "$1" >&2
+	exit 1
+}
+
+[ -f ~/.profile ] && . ~/.profile
+
+verbose=0
+while :; do
+	case "$1" in
+		-h|-\?|--help)
+			show_help
+			exit 0
+			;;
+		-v|--version)
+			show_version
+			exit 0
+			;;
+		-V|--verbose)
+			verbose=1
+			exit 0
+			;;
+		--) # end all options
+			shift
+			break
+			;;
+		-?*)
+			die 'Error: Unknown option specified'
+			;;
+		*)  # No more options
+			break
+	esac
+	shift
+done
+
+if [ $# -lt 1 ]; then
+	show_help
+	exit 1
+fi
+
+for arg in "$@"; do
+	# handle arguments
+done