code: function youtubeuploader(o) {
    var o = o||{}, cmd = 'youtubeuploader'+flags(o);
    var stdio = o.log || o.stdio==null? STDIO:o.stdio;
    if(stdio===STDIO) return Promise.resolve({stdout: cp.execSync(cmd, {stdio})});
    return new Promise((fres, frej) => cp.exec(cmd, {stdio}, (err, stdout, stderr) => {
      return err? frej(err):fres({stdout, stderr});
    }));
  }
docs: Invoke "youtubeuploader".
  @param {object} o upload options.