#!/usr/bin/env node var exec = require('child_process').exec; var program = require('commander'); // parse argv program.parse(process.argv); // output --help var cmd = program.args[0] ? 'component ' + program.args[0] + ' --help' : 'component --help'; exec(cmd, function(err, stdout){ if (err) throw err; process.stdout.write(stdout); });