#!/usr/bin/env node var cli = require('cli'); var output_file = function (file) { cli.withInput(file, function (line, sep, eof) { if (!eof) { cli.output(line + sep); } else if (cli.args.length) { output_file(cli.args.shift()); } }); }; if (cli.args.length) { output_file(cli.args.shift()); }