From: William James <w_a_x_man@...>
Date: 2007-08-15T02:55:01+09:00
Subject: Re: Exchanging the extension in a filename

On Aug 14, 5:05 am, "Ronald Fischer" <ronald.fisc...@venyon.com>
wrote:
> I have a string representing the name of a java file. I would
> like to get a new string, where the extension .java has been
> replaced by .class.
>
> My approach was to use String#sub:
>
> filename="abc/x.java"
> filename.sub(/java$/,'class')
>
> This works fine, but I wonder whether there isn't a more
> elegant way to do it.
>
> Ronald
> --
> Ronald Fischer <ronald.fisc...@venyon.com>
> Phone: +49-89-452133-162

filename = "abc/x.java"
    ==>"abc/x.java"
filename[ /java$/ ] = "class"
    ==>"class"
filename
    ==>"abc/x.class"