Topic: NoMethodError: undefined method `simple_format' for main:Object

Hi,
   Am using ruby 1.9.1 and my sanitize gem version is 2.0.3. i cann't use the simple_format method.
I am really struggling with this. anybody please help me?.

irb(main):003:0> my_text = "Here is some basic text...\n...with a line break."
=> "Here is some basic text...\n...with a line break."
irb(main):004:0> Sanitize.clean(my_text)
=> "Here is some basic text...\n...with a line break."

problem:
--------------

irb(main):008:0> simple_format(my_text)
NoMethodError: undefined method `simple_format' for main:Object
    from (irb):8
    from /usr/local/bin/irb:12:in `<main>'
irb(main):009:0> Sanitize.clean(simple_format(my_text))
NoMethodError: undefined method `simple_format' for main:Object
    from (irb):9
    from /usr/local/bin/irb:12:in `<main>'

Re: NoMethodError: undefined method `simple_format' for main:Object

irb(main):070:0> include ActionView::Helpers
=> Object
irb(main):071:0> simple_format('<a href="http://example.com/">Example</a>')
=> "<p><a href=\"http://example.com/\">Example</a></p>"
irb(main):072:0> sanitize(simple_format('<a href="http://example.com/">Example</a>'))
=> "<p><a href=\"http://example.com/\">Example</a></p>"
irb(main):073:0>