From: 7stud -- <bbxx789_05ss@...>
Date: 2011-04-07T08:33:38+09:00
Subject: Re: String#each_*slice* methods (like Enumerable#each_slice)

Aaron D. Gifford wrote in post #991274:
> Hi,
>
> I find I periodically need to iterate over slices of a string.
> Enumerable has the useful each_slice method, but in Ruby 1.9, I don't
> see an equivalent for the String class.
>

How about:

str = "hello world"

while str.size > 0
  substr = str.slice!(0, 3)  #(offset, length)
  puts "-->#{substr}<--"
end

--output:--
-->hel<--
-->lo <--
-->wor<--
-->ld<--

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