repl.js

#!/usr/bin/node

var net = require('net')

var sock = net.connect(process.argv[3] || 5001, process.argv[2])

process.stdin.pipe(sock)
sock.pipe(process.stdout)

sock.on('connect', function () {
    process.stdin.resume();
    process.stdin.setRawMode(true)
})

sock.on('close', function done () {
    process.stdin.setRawMode(false)
    process.stdin.pause()
    sock.removeListener('close', done)
})

process.stdin.on('end', function () {
    sock.destroy()
    console.log()
    process.exit();
})

process.stdin.on('data', function (b) {
    if (b.length === 1 && b[0] === 4) {
        process.stdin.emit('end')
    }
})