From 57a2f9e940dc91bf4e7837a0bff78ae2b67ef50b Mon Sep 17 00:00:00 2001
From: Mark Hills <mark@xwax.org>
Date: Tue, 21 May 2013 21:28:14 +0100
Subject: [PATCH] Help message

---
 bpm-graph | 16 ++++++++++++++--
 bpm-tag   |  1 +
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/bpm-graph b/bpm-graph
index e9b3647..3ab26be 100755
--- a/bpm-graph
+++ b/bpm-graph
@@ -23,8 +23,20 @@
 
 set -e
 
-if [ -z "$1" ]; then
-	echo "Usage: $0 <file>" >&2
+usage()
+{
+	cat <<END
+bpm-graph (C) Copyright 2013 Mark Hills <mark@xwax.org>
+
+Usage: bpm-graph <file>
+Display tempo analysis data
+
+See the bpm-graph(1) man page for more information.
+END
+}
+
+if [ -z "$1" ] || [ "$1" = "-h" ]; then
+	usage >&2
 	exit 1
 fi
 
diff --git a/bpm-tag b/bpm-tag
index 431f2c1..ff52561 100755
--- a/bpm-tag
+++ b/bpm-tag
@@ -37,6 +37,7 @@ Tag an audio file with tempo (in beats-per-minute, BPM)
   -x   Maximum detected BPM
   -h   Display this help message and exit
 
+See the bpm-tag(1) man page for more information and examples.
 END
 }