1'use strict'; 2var shebangRegex = require('shebang-regex'); 3 4module.exports = function (str) { 5 var match = str.match(shebangRegex); 6 7 if (!match) { 8 return null; 9 } 10 11 var arr = match[0].replace(/#! ?/, '').split(' '); 12 var bin = arr[0].split('/').pop(); 13 var arg = arr[1]; 14 15 return (bin === 'env' ? 16 arg : 17 bin + (arg ? ' ' + arg : '') 18 ); 19}; 20