swfc --version (return code: 0)
swfc - part of swftools 0.9.2+git20130725
swfc --help (return code: 1)
Usage: swfc [-o file.swf] file.sc
-h , --help Print short help message and exit
-V , --version Print version info and exit
-C , --cgi Output to stdout (for use in CGI environments)
-v , --verbose Increase verbosity.
-o , --output <filename> Set output file to <filename>.