odin-javascript-exercises/node_modules/shebang-command/index.js

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2017-12-15 10:56:14 -08:00
'use strict';
var shebangRegex = require('shebang-regex');
module.exports = function (str) {
var match = str.match(shebangRegex);
if (!match) {
return null;
}
var arr = match[0].replace(/#! ?/, '').split(' ');
var bin = arr[0].split('/').pop();
var arg = arr[1];
return (bin === 'env' ?
arg :
bin + (arg ? ' ' + arg : '')
);
};