gif2swf --version (return code: 0)
gif2swf - part of swftools 0.9.2+git20130725
gif2swf --help (return code: 1)
Usage: gif2swf [-X width] [-Y height] [-o file.swf] [-r rate] file1.gif [file2.gif ...]
-r , --rate <framerate> Set movie framerate (frames per second)
-o , --output <filename> Set name for SWF output file.
-z , --zlib <zlib> Enable Flash 6 (MX) Zlib Compression
-l , --loop <loop count> Set loop count. (default: 0 [=infinite loop])
-X , --pixel <width> Force movie width to <width> (default: autodetect)
-Y , --pixel <height> Force movie height to <height> (default: autodetect)
-v , --verbose <level> Set verbose level (0=quiet, 1=default, 2=debug)
-C , --cgi For use as CGI- prepend http header, write to stdout
-V , --version Print version information and exit