text: const { watch } = require('gulp');
  const shell = require('shelljs');
  const fs = require('fs');
  
  var file_stamp = "cache/runtime/stamp.pickle";
  
  var raw = fs.readFileSync('etc/profile.json');
  var profile = JSON.parse(raw);
  var algo_list = profile["algo"];
  
  function broadcast(cb) {
      algo_list.forEach(triger_cmd);
      cb();
  }
  
  function triger_cmd(algo) {
      py_cmd = 'python pascal/' + algo;
      console.log(py_cmd);
      shell.exec(py_cmd);
  }
  
  watch(file_stamp, broadcast)
  
  
  