# readlineSync Synchronous [Readline](http://nodejs.org/api/readline.html) for interactively running. The interface is used with process.stdin and process.stdout in order to accept user input. ## Example ```js var readlineSync = require('readline-sync'); var answer = readlineSync.question('What is your favorite food? :'); console.log('Oh, so your favorite food is ' + answer); ``` ## Installation ``` npm install -g readline-sync ``` ## Usage ### setPrompt ```js readlineSync.setPrompt(prompt) ``` Sets the prompt, for example when you run `node` on the command line, you see `> `, which is node's prompt. ### prompt ```js line = readlineSync.prompt() ``` Readies readline for input from the user, putting the current `setPrompt` options on a new line, giving the user a new spot to write. ### question ```js line = readlineSync.question(query) ``` Displays the `query` to the user, and then returns the user's response after it has been typed. ### setEncoding ```js readlineSync.setPrompt(encoding) ``` Set the encoding method of input (user's response) and output (`prompt`). Defaults to 'utf8'. ## Note The your Node and OS may not support interactively reading from stdin. The stdin interfaces are different by platforms. If in those platforms, an error is thrown. ```js try { answer = readlineSync.question('What is your favorite food? :'); } catch (e) { console.error(e); process.exit(1); } ``` ## Release History * 2014-06-27 v0.2.3 Add alternative reading via shell on the environment which don't support interactively reading. * 2013-12-18 v0.2.2 Error handle for the environment which don't support interactively reading from stdin. * 2013-08-30 v0.2.0 Rewrite exporting methods. * 2013-08-29 v0.1.0 Initial release.