From 5869505d64c04c536bdcd71a197ade918c36bf1c Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Sun, 10 Aug 2014 11:19:38 +0100
Subject: init

---
 jpegtran-rotate-lossless | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 jpegtran-rotate-lossless

(limited to 'jpegtran-rotate-lossless')

diff --git a/jpegtran-rotate-lossless b/jpegtran-rotate-lossless
new file mode 100755
index 0000000..77a0949
--- /dev/null
+++ b/jpegtran-rotate-lossless
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+
+function usage {
+    echo 'Usage: jpegtran-rotate-lossless.sh <90|180|270> <file>'
+    exit 1
+}
+
+ROTATION=$1
+FILE=$2
+
+if [ $# -ne 2 ]; then
+    usage
+fi
+
+case $ROTATION in
+    90|180|270)
+        true ;;
+    *)
+        usage ;;
+esac
+
+
+jpegtran -rotate $ROTATION -trim -copy all $FILE > $FILE-rotate
+if [ $? -ne 0 ]; then
+    echo 'jpegtran-rotate-lossless.sh: jpegtran failed'
+    exit 1
+fi
+
+mv $FILE-rotate $FILE
+if [ $? -ne 0 ]; then
+    'jpegtran-rotate-lossless.sh: mv failed'
+    exit 1
+fi
+
+exit 0
+
-- 
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