22 lines
		
	
	
		
			488 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			488 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| module Utils
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|   def self.popen_read(*args, **options, &block)
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|     popen(args, "rb", options, &block)
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|   end
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| 
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|   def self.popen_write(*args, **options, &block)
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|     popen(args, "wb", options, &block)
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|   end
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| 
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|   def self.popen(args, mode, options = {})
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|     IO.popen("-", mode) do |pipe|
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|       if pipe
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|         return pipe.read unless block_given?
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|         yield pipe
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|       else
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|         options[:err] ||= :close unless ENV["HOMEBREW_STDERR"]
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|         exec(*args, options)
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|       end
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|     end
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|   end
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| end
 | 
