From: Gennady Bystritsky <Gennady.Bystritsky@...>
Date: 2009-03-05T11:41:07+09:00
Subject: Re: Cut a string each 80 character

> -----Original Message-----
> From: picpic72@hotmail.com [mailto:picpic72@hotmail.com]
> Sent: Wednesday, March 04, 2009 6:06 PM
> To: ruby-talk ML
> Subject: Cut a string each 80 character
> 
> Hello everyone!
> 
> I want to do cut a string each 80 character. Do you know how to do?
> 
> For instance :
> string = "jdskj fjkjjkl
> djskfljksldjfkjdkljksljkdjfkdlsjfklsjdkfldsjdkfljkldjksjfkljkdlfjkdsljk
> ljfdklskjkdfldfldfjkdfjkldfskjldfskjldfkjldfskjlsdfkjldfskljdfskjldkjld
> fkjdfkllkdf"

string.scan(%r{.{1,80}})

or

n = 80
string.scan(%r{.{1,#{n}})

> 
> For this string, I want to add  <br /> each 80 character for the third
> word.

string.scan(%r{.{1,80}}).map { |_chunk|
  _chunk + '<br />'
}

Make corresponding adjustments if you want to apply it to a particular word of your string (e.g., do stirng.split.slice(2) for the third word).

Hope it helps,
Gennady.