20 lines
		
	
	
		
			346 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			20 lines
		
	
	
		
			346 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | '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 : '') | ||
|  | 	); | ||
|  | }; |