On 22 mei 2011, at 09:14, ChristianBoyce wrote:

> Thanks Maarten. I'm not positive that URLs are case-insensitive. I
> think my example was poor-- the domain name IS insensitive to case,
> but other files are not. For example:
> 
> http://www.christianboyce.com/MAARTEN.png and
> http://www.christianboyce.com/maarten.png
> 
> do not load the same picture. UNIX lets me put two files with the
> "same" names into the same directory as long as their capitalization
> is not the same as UNIX is sensitive to case.

You're right here. DNS isn't case sensitive, but the server most of the time is 
(see early bug on Mac OS X server where apache would sometimes show files when 
you really didn't want those files to show up, just by using a different case 
for the filename.

Sorry for the confusion.

> You may be right anyway. But, I'm still trying to pass over those URLs
> without touching them.
> 
> This problem boils down to one of those "I can find the stuff that I
> DON'T want to change (URLs)-- how do I say 'change everything that
> isn't that stuff'" questions. It is easier to find what I don't want
> to change than what I do.

When trying to come up with a good solution using grep, it really helps to 
formulate the problem correctly. Trying different ways to describe the issue 
can help you to find the right 'attack vector'. 

Best,

Maarten

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