--- /dev/null
+'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;
+};