client.js

// npm install -g shelljs
// sudo apt-get install socat
require('shelljs/global');

setInterval(function(){
  for (var i = 0; i < 10; i++)
    exec("echo 'process' | socat - UNIX-CONNECT:/tmp/noderepl.sock", {async: true})
}, 10)

// shjs client.js

repl.js

var repl = require('repl')
var net = require('net')
var fs = require('fs')
var sockpath = '/tmp/noderepl.sock'
process.on('uncaughtException', function(err) {
  console.log(err.stack)
})

fs.unlink(sockpath, function() {
  net.createServer(function (socket) {
    var r = repl.start({
        prompt: 'yippee ki yay '
      , input: socket
      , output: socket
      , terminal: true
      , useGlobal: false
    })
    r.on('exit', function () {
      socket.end()
    })
    r.context.socket = socket
    r.context.big = new Buffer(1000)
  }).listen(sockpath)
})