From: Robert Klemme <shortcutter@...>
Date: 2010-02-11T07:05:15+09:00
Subject: Re: ruby cross-platform File.basename

On 02/10/2010 10:44 PM, bwv549 wrote:
> What is the best idiom for generating a cross-platform basename?
> (i.e., one that will still give the basename of a windows file on
> linux and the basename of a linux file on windows).
> 
> filenames = ["C:\\path\\to\\file.txt", "/path/to/file.txt"]
> filenames.all? {|fn|   <some_xpltfrm_basename_idiom>(fn) ==
> "file.txt" }    #  should be true
> 
> As I play around with this, it seems that on windows (ruby 1.8.7
> (2010-01-10 patchlevel 249) [i386-mingw32]), File.basename will
> generate the basename on either of the above examples, but on linux
> (ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]) the windows
> basename is not found.  Based on this, I think this may be a fool-
> proof cross-platform idiom for generating the basename:
> 
> File.basename( filename.gsub("\\","/") )
> 
> This works on windows and linux, at least the versions I'm running.
> 
> Any other/better ideas?  Are there any gotchas with the one I'm using
> above?

What's wrong with using File.basename?

Kind regards

	robert

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