lib/agent/cli.js
function warn(str, code) {
  if (process.stdout.writable)
    process.stdout.write(str + '\n');

  if (typeof code != 'undefined')
    process.exit(code);
}
function warn(str, code) {
  if (process.stdout.writable)
    process.stdout.write(str + '\n');

  if (typeof code != 'undefined')
    process.exit(code);
}
function warn ( str , code ) { if ( process . stdout . writable ) process . stdout . write ( str + '\n' ) ; if ( typeof code != 'undefined' ) process . exit ( code ) ; }
null unless we do set one.
null unless we do set one .