From: Robert Klemme <shortcutter@...>
Date: 2011-03-28T20:12:22+09:00
Subject: Re: How to "find" new lines

On Fri, Mar 25, 2011 at 9:28 PM, Damir Sigur <damir@haakon.com> wrote:
> I am new to ruby, and was trying to make a small code which would check
> if a string has only new line character in it. At the end I found that a
> method "inspect" will do the trick.
>
> Is that the only way to handle new line characters?
>
> How about other special characters, if there is a need to search for
> them in a text?
>
> Code that didn't work:
>
> if txtArray[i] <=> "\n" then
>
> Code that worked:
>
> if txtArray[i].inspect <=> "\n" then
>
> Thanks for all comments.

If you want to remove the trailing newline, this may help as well:

irb(main):005:0> s="foo\n"
=> "foo\n"
irb(main):006:0> s.chomp! and puts "there was a newline!"
there was a newline!
=> nil
irb(main):007:0> s
=> "foo"
irb(main):008:0> s.chomp! and puts "there was a newline!"
=> nil

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
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