var fecs = require('fecs');
fecs.leadName = 'edp';
...

var options = fecs.getOptions(process.argv.slice(2));

console.log(options.command); // 'check'
...

// 设置检查的文件路径
options._ = ['/path/to/check'];

// 或者设置为 stream
// options.stream = yourReadableStream;

// 设置文件类型
// options.type = 'js,css';


/**
 * callback after check finish
 *
 * @param {boolean} success true as all files ok, or false.
 * @param {Object[]} errors data for check result.
 */
function done(success, errors) {
    // blablabla
}

fecs.check(options, done);

fecs.check(options);