From: Robert Klemme <bob.news@...>
Date: 2004-12-14T00:37:23+09:00
Subject: Re: Help writing a each_unique method


"trans. (T. Onoma)" <transami@runbox.com> schrieb im Newsbeitrag
news:200412131012.46675.transami@runbox.com...

> P.S. Does anyone have a really good String#word_wrap method? I wrote one
but
> it isn't so good b/c it strip newlines.

What about

class String
  def word_wrap!(n = 80)
    raise ArgumentError, "Wrap margin too low: #{n}" if n <= 2
    gsub!( Regexp.new( "(.{1,#{n-1}}\\w)\\b\\s*" ), "\\1\n")
  end

  def word_wrap(n = 80)
    c = dup
    c.word_wrap! n
    c
  end
end

Kind regards

    robert