cli.js

#!/usr/bin/env node
'use strict';

var looseEnvify = require('./');
var fs = require('fs');

if (process.argv[2]) {
  fs.createReadStream(process.argv[2], {encoding: 'utf8'})
    .pipe(looseEnvify(process.argv[2]))
    .pipe(process.stdout);
} else {
  process.stdin.resume()
  process.stdin
    .pipe(looseEnvify(__filename))
    .pipe(process.stdout);
}