zopfli --version (return code: 0)
Please provide filename
For help, type: zopfli -h
zopfli -h (return code: 0)
Usage: zopfli [OPTION]... FILE...
-h gives this help
-c write the result on standard output, instead of disk filename + '.gz'
-v verbose mode
--i# perform # iterations (default 15). More gives more compression but is slower. Examples: --i10, --i50, --i1000
--gzip output to gzip format (default)
--zlib output to zlib format instead of gzip
--deflate output to deflate format instead of gzip
--splitlast ignored, left for backwards compatibility