add grayscale option

This commit is contained in:
Milan Nikolic
2015-11-03 22:13:21 +01:00
parent 0c6b9fcaa8
commit 85818eec5f
2 changed files with 31 additions and 4 deletions

View File

@@ -48,6 +48,7 @@ Using
-t, --thumbnail extract cover thumbnail (freedesktop spec.)
-o, --outdir="." output directory
-m, --size=0 process only files larger then size (in MB)
-G, --grayscale convert images to grayscale (monochromatic)
-R, --recursive process subdirectories recursively
-Q, --quiet hide console output