version.sh: write version to stdout if no output file specified

Originally committed as revision 24527 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/version.sh b/version.sh
index 774e514c22fcba06e209e979e6ed2a2435d1aae8..f8510ea28ccfbc36959cf9b4234261a06b2a3313 100755 (executable)
--- a/version.sh
+++ b/version.sh
@@ -31,6 +31,11 @@ test $version || version=$revision
 
 test -n "$3" && version=$version-$3
 
+if [ -z "$2" ]; then
+    echo "$version"
+    exit
+fi
+
 NEW_REVISION="#define FFMPEG_VERSION \"$version\""
 OLD_REVISION=$(cat version.h 2> /dev/null)