text: #!/usr/bin/env node
  
  const fs = require('fs');
  const path = require('path');
  const programLoader = require('./modules/runtime/programLoader');
  
  const sourceFileName = process.argv.slice(2)[0];
  
  function loadSource(fileName) {
      const filePath = path.join(process.cwd(), fileName);
      return fs.readFileSync(filePath, { encoding: 'utf8' });
  }
  
  const programSource = loadSource(sourceFileName);
  
  programLoader.loadAndRun(programSource, {
      promptSync: require('prompt-sync'),
      clear: require('clear')
  });