'use strict'; const shebangRegex = require('shebang-regex'); module.exports = (string = '') => { const match = string.match(shebangRegex); if (!match) { return null; } const [path, argument] = match[0].replace(/#! ?/, '').split(' '); const binary = path.split('/').pop(); if (binary === 'env') { return argument; } return argument ? `${binary} ${argument}` : binary; };