如何用nodejs 开发一个命令行交互工具

{ ?"name": "test", ?"version": "1.0.0", ?"description": "", ?"main": "index.js", ?"scripts": { ???"test": "echo \"Error: no test specified\" && exit 1" ?}, ?"keywords": [], ?"author": "", ?"license": "ISC", ?"bin": { ???"gen": "bin/gen.js" ?}, ?"dependencies": { ???"commander": "^2.15.1" ?}}

#!/usr/bin/env nodevar argv = process.argv;var filePath = __dirname;var currentPath = process.cwd();console.log(argv)console.log(filePath)console.log(currentPath)

#!/usr/bin/env nodevar program = require(‘commander‘); program ??.version(‘0.0.1‘) ??.option(‘-C, --chdir <path>‘, ‘change the working directory‘) ??.option(‘-c, --config <path>‘, ‘set config path. defaults to ./deploy.conf‘) ??.option(‘-T, --no-tests‘, ‘ignore test hook‘) ??.option(‘-p, --peppers‘, ‘Add peppers‘) ??.option(‘-P, --pineapple‘, ‘Add pineapple‘) ??.option(‘-b, --bbq-sauce‘, ‘Add bbq sauce‘) ??.option(‘--p, --fuck-you‘, ‘fuckyou‘) ??.option(‘build --env <fuckyou>‘, ‘fuckyou2‘) ??.parse(process.argv);if (program.peppers) console.log(‘ ?- peppers‘);if (program.pineapple) console.log(‘ ?- pineapple‘);if (program.bbqSauce) console.log(‘ ?- bbq‘);if (program.fuckYou) console.log(‘fuckyou‘);if (program.env && program.args.length != 0) { ???console.log(program.args);} program ??.command(‘init‘) ??.description(‘run remote setup commands‘) ??.action(function() { ????console.log(‘setup‘); ??}); program ??.command(‘exec <cmd>‘) ??.description(‘run the given remote command‘) ??.action(function(cmd) { ????console.log(‘exec "%s"‘, cmd); ??}); program ??.command(‘teardown <dir> [otherDirs...]‘) ??.description(‘run teardown commands‘) ??.action(function(dir, otherDirs) { ????console.log(‘dir "%s"‘, dir); ????if (otherDirs) { ??????otherDirs.forEach(function (oDir) { ????????console.log(‘dir "%s"‘, oDir); ??????}); ????} ??});