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Yargs

Yargs be a node.js library fer hearties tryin' ter parse optstrings

[![Build Status][travis-image]][travis-url] [![Coverage Status][coveralls-image]][coveralls-url] [![NPM version][npm-image]][npm-url] [![js-standard-style][standard-image]][standard-url] [![Conventional Commits][conventional-commits-image]][conventional-commits-url] [![Slack][slack-image]][slack-url] ## Description : Yargs helps you build interactive command line tools, by parsing arguments and generating an elegant user interface. It gives you: * commands and (grouped) options (`my-program.js serve --port=5000`). * a dynamically generated help menu based on your arguments. >

* bash-completion shortcuts for commands and options. * and [tons more](/docs/api.md). ## Installation Stable version: ```bash npm i yargs ``` Bleeding edge version with the most recent features: ```bash npm i yargs@next ``` ## Usage : ### Simple Example ````javascript #!/usr/bin/env node const argv = require('yargs').argv if (argv.ships > 3 && argv.distance < 53.5) { console.log('Plunder more riffiwobbles!') } else { console.log('Retreat from the xupptumblers!') } ```` ```bash $ ./plunder.js --ships=4 --distance=22 Plunder more riffiwobbles! $ ./plunder.js --ships 12 --distance 98.7 Retreat from the xupptumblers! ``` ### Complex Example ```javascript #!/usr/bin/env node require('yargs') // eslint-disable-line .command('serve [port]', 'start the server', (yargs) => { yargs .positional('port', { describe: 'port to bind on', default: 5000 }) }, (argv) => { if (argv.verbose) console.info(`start server on :${argv.port}`) serve(argv.port) }) .option('verbose', { alias: 'v', type: 'boolean', description: 'Run with verbose logging' }) .argv ``` Run the example above with `--help` to see the help for the application. ## TypeScript yargs has type definitio