Regular Expression Case Sensitivity

[Jim]

The 'rm' only asked me if i wanted to delete aaaa and bbbb, as it should.  
The really interesting thing that I found is that ls and ls-l never showed me 
the .abcd file.


On Tuesday 04 December 2001 12:54, you wrote:
> Try this in an empty directory and let me know if this is a bug or a
> feature or an error on my part.
>
> Create several files of upper and lower case names:
>
> 	touch aaaa
> 	touch AAAA
> 	touch bbbb
> 	touch BBBB
> 	touch 1234
> 	touch .abcd
>
> Now use a regular expression to delete all files starting with a lower case
> letter:
>
> 	rm [a-z]*
>
> When I was experimenting with this all of the files starting with *any*
> alphabetic character were deleted.  This was unexpected and I'm not sure if
> I am misinterpreting the regular expression or if I am delusional.  Let me
> know what you get.  FYI, I am using Red Hat Linux 7.2 so I would be
> interested if it's just me.
>
> Brian
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