From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 11 Apr 2014 16:35:15 +0000 (+0100)
Subject: better usage message
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=df56eddadb41da398ab0c094a38f5068eda35ba8;p=post-pizza-notify.git

better usage message
---

diff --git a/notify b/notify
index 83bf608..f47a19d 100755
--- a/notify
+++ b/notify
@@ -1,10 +1,21 @@
 #!/bin/bash
 set -e
+usage () { cat <<END
+
+usage: ./notify senderfile recipientsfile 'message'
+
+recipientsfile: see test-recipients for an example
+
+senderinfo: file containing
+   email YOUREMAILADDRESS@EXAMPLE.COM
+   name YOUR NAME
+
+END
+}
 
 case "$#.$1" in
 3.[^-]*)	;;
-*)		echo >&2 "usage: ./notify senderfile recipientsfile 'message'"
-		exit 1 ;;
+*)		usage >&2; exit 1 ;;
 esac
 
 senderinfo="$1"