text: #!/usr/bin/env node
  import commander from 'commander';
  import info from '../../package.json';
  import genDiff from '..';
  
  commander
    .description('Compares two configuration files and shows a difference.')
    .version(info.version)
    .option('-V, --version', 'output the version number');
  
  commander
    .arguments('<firstConfig> <secondConfig>')
    .option('-f, --format [type]', 'Output format', 'string')
    .action((firstConfigPath, secondConfigPath) => {
      console.log(genDiff(firstConfigPath, secondConfigPath, this.format));
    });
  
  commander.parse(process.argv);
  
  const isNoCommandSpecified = commander.args.length === 0;
  if (isNoCommandSpecified) {
    commander.help();
  }
  