#! /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