If there's a block, pass in the file and close the file when it returns : block_given « Method « Ruby

1.	ActiveRecord
2.	Array
3.	CGI
4.	Class
5.	Collections
6.	Database
7.	Date
8.	Design Patterns
9.	Development
10.	File Directory
11.	GUI
12.	Hash
13.	Language Basics
14.	Method
15.	Network
16.	Number
17.	Rails
18.	Range
19.	Reflection
20.	Statement
21.	String
22.	Threads
23.	Time
24.	Tk
25.	Unit Test
26.	Windows Platform
27.	XML

Ruby » Method » block_given

If there's a block, pass in the file and close the file when it returns





  class File

    def File.my_open(*args)

      result = file = File.new(*args)

      

      if block_given?

        result = yield file

        file.close

      end



      return result

    end

  end

Related examples in the same category

1.	Is block ready
2.	The yield Statement using the block_given? method from Kernel.

java2s.com | Contact Us | Privacy Policy

All other trademarks are property of their respective owners.