png2mng.pl -V (return code: 1)
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png2mng.pl --help (return code: 0)
Usage:
png2mng.pl basename width height [options] > output.mng
Options:
--basename Base file name of the PNG frames. The script adds numbers to
the file name until it can find no more frames.
--width Width of the animation. Each PNG frame should be this width.
--height Height of the animation. Each PNG frame should be this
height.
--fps Frames of animation per second (Default 20)
--fieldwidth Number of characters in the number (Default 4)
--start-number Start looking for files from the given number. (e.g. foo002
rather than foo001.png) (Default 1)
--help Show help output.
The MNG output file is printed straight to standard out so be sure to
redirect to where you want it to go.