0
Image processed successfully.
Convert png to farbfeld
png2ff
png2ff reads a PNG image from stdin, converts it to farbfeld(5) and writes the result to stdout.
In case of an error png2ff writes a diagnostic message to stderr.
0
Image processed successfully.
1
An error occurred.
$ png2ff < image.png > image.ff
$ png2ff < image.png | bzip2 > image.ff.bz2
Unchanged in 4 releases since Debian 10 (Buster).