From 6a253bce9766ec2128d27d7fd02194dd7ed4afaf Mon Sep 17 00:00:00 2001
From: Arun Persaud <arun@nubati.net>
Date: Sun, 3 Jun 2012 10:15:31 -0700
Subject: added a help function to create_thumbnails script

---
 create_thumbnails.sh | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/create_thumbnails.sh b/create_thumbnails.sh
index d1be98d..b652cb3 100755
--- a/create_thumbnails.sh
+++ b/create_thumbnails.sh
@@ -22,8 +22,16 @@ dbprefix=${dbprefix//\//\\\/}
 limit=`$NICE sqlite3 $LOCALDB "select count(*) from photos"`
 
 
+function usage()
+{
+  echo "Usage: $0 [OPTIONS]"
+  echo " Options:"
+  echo "          -r          remove metadata from pictures"
+  echo "          -l NUMBER   only process NUMBER pictures"
+}
+
 # parse command line
-while getopts ":rl:" opt; do
+while getopts ":rl:h" opt; do
   case $opt in
     r)
       removemeta=1
@@ -31,6 +39,10 @@ while getopts ":rl:" opt; do
     l)
       limit=$OPTARG
       ;;
+    h)
+      usage
+      exit 0
+      ;;
     \?)
       echo "Invalid option: -$OPTARG" >&2
       exit 1
-- 
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