my-idlers/node_modules/concat/bin/concat.ts

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#!/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: Error) => console.log(err);
let output = (o: string) => {
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')