gistfile1.txt

var sys = require('sys')
  var filename = process.ARGV[2];


  if (!filename)
    return sys.puts("Usage: node watcher.js filename");

  var spawn = require('child_process').spawn;
  var tail = spawn("tail", ["-f", filename]);

  sys.puts("start tailing");

  var http = require("http");
  http.createServer(function(req,res){
             sys.puts("create server");

             res.writeHead(200,{'Content-Length': body.length, 'Content-Type': 'text/plain'});

            tail.stdout.addListener('data', function (data) {
                                          sys.puts("add listener called in server");
                                          res.write(data);
                                          res.end();
                                          });
                    }).Listen(8080);