in favor of nodejs

gistfile1.js

#!/usr/bin/env node

var fs = require('fs')
  , path = require('path')
  , exec = require('child_process').exec
  , src_css = '../css/'
  , target_css = '../../css/'
  , src_js = '../js/'
  , target_js = '../../js/'
  , compiler = 'tools/compiler.jar';

fs.readdir(src_css, function(err, files) {
  if (err) throw err;
  
  files
    .filter(function(f){return /\.css$/.test(f);})
    .forEach(function(f){
      fs.readFile(src_css + f, function(err, cnt){
        var min = 
          cnt.toString()
             .replace(/\r*\n*/g,'')
             .replace(/\s*([:|;|,|{|}])\s*/g, function(s,p1){ return p1;})
             .replace(/;}/g,'}')
             .replace(/\/\*.*?\*\//g, '');

        fs.writeFile(target_css + f, min, function(err) {
          if (err) throw err;
          console.log(f + ' compressed.');
        });
      });
    });
});


fs.readdir(src_js, function(err, files) {
  if (err) throw err;
  
  files
    .filter(function(f){ return /\.js$/.test(f);})
    .forEach(function(f){
      var cmd = [
          'java -jar ' + compiler
        , '--js ' + src_js + f
        , '--js_output_file ' + target_js + f
      ].join(' ');

      exec(cmd, function(){
        console.log(f + ' compressed.');
      });
    });
});