From: Phillip Gawlowski <cmdjackryan@...>
Date: 2008-03-02T07:35:41+09:00
Subject: Re: counting in for .. in ..

Daniel Liebig wrote:
> Hi,
>
> i'm doing my first steps in ruby (on rails) and often use things like
>
> for thing in @several_things
>   print thing
> end
>
> Ok so far, looks great :)
>
> But i often need a counter inside of the loop, may it be to create row
> colors or other stuff. What i end up with then is:
>
> i = 0
> for thing in @several_things
>   print thing + " No. " + i.to_s
>   i += 1
> end
>
> [..]
>
> Any hints?
>
> Thanks a lot for any help!
> R.D.
>   
C:\Documents and Settings\CynicalRyan>cat test.rb
@things = ["one", "two", "three"]

@things.each_with_index do |thing,i|
  puts thing
  puts i
end
C:\Documents and Settings\CynicalRyan>ruby -v test.rb
ruby 1.8.6 (2007-03-13 patchlevel 0) [i386-mswin32]
one
0
two
1
three
2
--
Phillip Gawlowski