Regular Expression Case Sensitivity

[Dominic Busher]

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--- Jim <farli@unitywave.com> wrote:
> duuuuh....I knew that - but I can only remember it
> when my brain is 
> functioning
> 
> On Tuesday 04 December 2001 13:39, you wrote:
> > add an "a" to the command to see hidden files.
> What are hidden files you
> > ask, they are files that start with "."
> >
> > so to see hidden files type "ls -a" or "ls -la"
> >
> >
> > Cheers,
> >
> >
> > Davidm
> >
> > > -----Original Message-----
> > > From: Jim [mailto:farli@unitywave.com]
> > > Sent: Tuesday, December 04, 2001 1:09 PM
> > > To: plug-discuss@lists.PLUG.phoenix.az.us
> > > Subject: Re: Regular Expression Case Sensitivity
> > >
> > >
> > > 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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> > >
> > > mail doesn't
> > >
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> to write mail.
> > > >
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> > > >
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> > >
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> > >
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