||use this glob (file pattern match) when looking for raw flow files to be
processed. Defaults to: 'flows.*:*[0-9]' (mnemonic: 'g'lob)
||shows this usage information (mnemonic: 'h'elp)
||verbose - show warnings (mnemonic: 'v'erbose)
||process the flow files, and wait secs seconds for new ones to appear.
Flow file will be globbed using "flows.*:*[0-9]". (Don't pass
flow file names as arguments when using this option.)
||skip processing of files of size greater than bytes (mnemonic: 's'kip