From: Holger Mack <hmack.gm@...>
Date: 2008-09-21T06:45:17+09:00
Subject: Re: [QUIZ] One-Liners Mashup (#177 again)

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wrap text with single regexp and strict maximum length

text.gsub(/(.{1,80})\s|(\w{80})/, "\\1\\2\n")

Last one for now, and no followup (we had one for this quiz already)

Regards
Holger



2008/9/20 James Coglan <jcoglan@googlemail.com>

> >
> > New puzzle:  Provide a one-liner that can wrap a body of text at a
> > requested maximum length.
>
>
>
> A first guess... this destroys all original whitespace in the string,
> currently trying to fix that.
>
> class String
>  def line_wrap(n = 80)
>    split(/\s+/).inject{ |s,w| s + ("#{s.split("\n").last} #{w}".size > n ?
> "\n" : " ") + w }
>  end
> end
>

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