From 7097b57fc99a358bf81c41d61c0a4aacf6b58e61 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Fri, 12 Jul 2013 11:05:17 -0400
Subject: print_cmd_usage(): Implement and use.

---
(limited to 'lib')

diff --git a/lib/cmd.sh b/lib/cmd.sh
index cff225b..ff81c4a 100644
--- a/lib/cmd.sh
+++ b/lib/cmd.sh
@@ -71,6 +71,17 @@ print_cmd_summaries()
 	done
 }
 
+print_cmd_usage()
+{
+	local cmd usage
+
+	cmd="${1}"
+
+	usage="$(eval printf \'%s\' \"\$\{cmd_"${cmd}"_usage\}\")"
+
+	printf 'Usage: %s %s %s\n' "${0}" "${cmd}" "${usage}"
+}
+
 is_cmd()
 {
 	local cmd
diff --git a/lib/cmd/help.sh b/lib/cmd/help.sh
index 129cb14..39de93f 100644
--- a/lib/cmd/help.sh
+++ b/lib/cmd/help.sh
@@ -22,8 +22,12 @@ cmd_usage '[<command>]'
 
 cmd_help_main()
 {
+	local cmd
+
 	if [ ${#} -eq 1 ]; then
-		if is_cmd "${1}"; then
+		cmd="${1}"
+		if is_cmd "${cmd}"; then
+			print_cmd_usage "${cmd}"
 			return 0
 		fi
 	fi
--
cgit v0.9.1