From: Sean O'Dell <sean@...>
Date: 2002-03-23T05:08:18+09:00
Subject: Re: Sub-String

"Mike Stok" <mike@stok.co.uk> wrote in message
news:slrna9n27u.v47.mike@ratdog.stok.co.uk...
> In article <9FLm8.16$%g7.14159041@newssvr13.news.prodigy.com>,
> Sean O'Dell wrote:
> > What's a good way to grab a sub-string from a string?  With string
> > implementation, I'm used to a substr() or mid() function where you can
> > specify where you want the sub-string to start and the return is
everything
> > from that point on.
> >
> > Here's an example:
> >
> >     "/home/fred/file.ext".substr(11) => "file.ext"
> >
> > What's a good equivalent way to do that in Ruby?
>
>   "/home/fred/file.ext"[11 .. -1]        => "file.ext"
>
>   "/home/fred/file.ext".slice(11 .. -1)  => "file.ext"
>
> You need a Range rather than an integer, otherwise you get the character
> value at that position
>
>   "/home/fred/file.ext".slice(11)        => 102
>
> Hope this helps,

Yeah, that worked great, thank you.  Where did you learn to do that?  I
bought three Ruby books and even now that I know how to do that, I can't
find reference to that anywhere.  I must be missing something.

    Sean