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make Ruby strings behave like files

/ Published in: Ruby
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This is handy for testing, when you need to simulate an open file or open URI. Why, and the Pickaxe book, have better examples

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  1. require 'stringio'
  2.  
  3. sio=StringIO.new('acts like a file')
  4. puts sio.pos # => 0
  5. sio.pos= sio.length - 4
  6. puts sio.read # => 'file'

URL: http://whytheluckystiff.net/articles/rubyOneEightOh.html

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