How did that happen

LICENSE

@@ -0,0 +1,13 @@
+Copyright (c) 2012-2014, Jack L. Frost <fbt@fleshless.org>
+
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without
+fee is hereby granted, provided that the above copyright notice and this permission notice appear
+in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+OF THIS SOFTWARE.

shutdown

@@ -2,11 +2,21 @@
 
 usage() { echo "Usage: shutdown <-p|-r>"; }
 
+_poweroff() {
+	echo 'Shutting down.'
+	init_signal=USR1
+}
+
+_reboot() {
+	echo 'Rebooting.'
+	init_signal='INT'
+}
+
 main() {
 	while [ "$1" ]; do
 		case "$1" in
-			-p|--poweroff) init_signal='10';;
-			-r|--reboot) init_signal='2';;
+			-p|--poweroff) _poweroff;;
+			-r|--reboot) _reboot;;
 
 			-h|--help|--usage) usage; return;;
 			*) usage; return 1
@@ -16,13 +26,14 @@ main() {
 
 	exe_name="${0##*/}"
 
-	[ "$init_signal" ] || {
+	if [ -z "$init_signal" ]; then
 		case "$exe_name" in
-			poweroff) init_signal='USR1';;
-			reboot) init_signal='INT';;
+			poweroff) _poweroff;;
+			reboot) _reboot;;
+
 			*) usage; return 1;;
 		esac
-	}
+	fi
 
 	kill -s "$init_signal" 1
 }