nl_tokens: Parse the command - line options .
pl_tokens: function getCli ( definitions , usageSections , argv ) { const commandLineArgs = require ( 'command-line-args' ) const commandLineUsage = require ( 'command-line-usage' ) const usage = usageSections ? commandLineUsage ( usageSections ) : '' const <mask> = commandLineArgs ( definitions , argv ) return { options , usage } }