From: Olivier Renaud <o.renaud@...>
Date: 2007-08-18T22:43:33+09:00
Subject: Re: Working with String

Le samedi 18 août 2007 14:03, Dipesh Batheja a écrit :
> Hi need some help with string manipulation. I have a string representing
> full path of a file. Example "/foo/foo.gif". I need to just extract the
> file name i.e "foo.gif" from this string. I also need to extract the
> file type i.e "gif" from it in a separate string. Can anybody tell me
> how to do it using regular expressions in Ruby. I know this can be done
> using String.gsub, but i am too bad at reg expressions. And if someone
> can point me to good source for learning reg expressions then it would
> be really helpful.
>
> Thanks

You can also use a dedicated lib, for manipulating filenames : pathname

require 'pathname'

p = Pathname.new "/foo/foo.gif"
puts p.basename   # => foo.gif
puts p.extname    # => ".gif"

-- 
Olivier Renaud