#!/usr/bin/env node
'use strict';
const app = require('commander');
const cfg = require('../package.json');
const concat = require('../index');
const path = require('path');
app.version(cfg.version)
    .option('-o, --output <file>', 'output file')
    .description(cfg.description);
app.parse(process.argv);
let err = (err) => console.log(err);
let output = (o) => {
    if (!app.output) {
        console.log(o);
    }
};
if (app.args.length) {
    concat(app.args, app.output).then(output).catch(err);
}
else
    throw new Error('no files specified');