Edit file File name : typer.js Content :var fs = require('fs'); var fst = fs.createReadStream(__filename); var Readable = require('readable-stream/readable.js'); var rst = new Readable(); rst.wrap(fst); rst.on('end', function() { process.stdin.pause(); }); process.stdin.setRawMode(true); process.stdin.on('data', function() { var c = rst.read(3); if (!c) return setTimeout(process.exit, 500) process.stdout.write(c); }); process.stdin.resume(); Save