Simple File Manipulation

Posted by root Mon, 21 Jul 2008 22:15:00 GMT

Ruby file manipulation is as easy as: 
  MyFile.create "test.txt"
  MyFile.add "test.txt", "some content"
  MyFile.remove "test.txt"

For example create a file caled fileeasy.rb and add the following module to it:

module FileEasy

  def self.included(subject)
    subject.extend(ClassMethods)
  end

  module ClassMethods
   alias_method :delete, :remove
   alias_method :unlink, :remove

    def create(filename)
      File.open(filename, "w")
    end
    def add(filename, text)
      File.open(filename, "a"){ |f| f << text }
    end
    def remove(filename)
      File.delete(filename)
    end
  end

end

Then test it with irb:

require 'fileeasy'

class MyClass
  include FileEasy
end

MyFile.create "text.txt"
MyFile.add "text.txt", "test content"
MyFile.remove "text.txt"

Of course this post is just a simple tutorial and the standard library is the best choice – FileUtils.

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