#!/bin/sh
+# Copyright (C) 2011-2014 Simon Ruderich
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+set -eu
+
case "$1" in
# Color diff files.
*.diff | *.patch)
- < "$1" colordiff
+ colordiff <"$1"
;;
*)
# Display directory contents.
- if [ -d "$1" ]; then
- echo "=> Contents of $1:"
- ls "$1"
+ if test -d "$1"; then
+ printf '=> Contents of %s:\n' "$1"
+ ls -- "$1"
exit 0
fi