text: #!/usr/bin/env node
  
  /**
   * filesearch ahihi
   * [ 'C:\\Program Files\\nodejs\\node.exe',
   * 'C:\\Users\\namvh\\AppData\\Roaming\\npm\\node_modules\\simple-command-line\\index.js',
   * 'ahihi' ]
   */
  var args = process.argv.slice(2);
  var searchPattern = args[0];
  
  var exec = require('child_process').exec;
  var child = exec('ls -a | grep ' + searchPattern, (err, stdout, stderr) => {
      console.log(stdout);
  });
  