Pass output as a parameter; allow to pass many input files

[audio-cdr-video.git] / video / ff_catvideo

diff --git a/video/ff_catvideo b/video/ff_catvideo
index 852a349f664d6499680481118cd4a14d2f765e1c..34aafd2f7617457e2271be9ca6e98d333469198e 100755 (executable)
--- a/video/ff_catvideo
+++ b/video/ff_catvideo
@@ -1,12 +1,13 @@
 #! /bin/sh
 
-if [ -z "$2" ]; then
-   echo "Usage: $0 output.avi input1.avi [input2.avi...]"
+if [ -z "$1" ]; then
+   echo "Usage: [output=output.avi] $0 input1 [input2...]"
    exit 1
 fi
 
-output="$1"
-shift
+if [ -z "$output" ]; then
+   output=output.avi
+fi
 
 i=1
 for input in "$@"; do