[olug] Unix Tip: GRABBING THE HIDDEN

[Unix Guru Universe]

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			      UNIX GURU UNIVERSE 
			         UNIX HOT TIP

			Unix Tip 2051 - August 13, 2003

		    http://www.ugu.com/sui/ugu/show?tip.today

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GRABBING THE HIDDEN

To easily select all 
hidden files, use the 
following:

   .[^.]*  ..?*

For example, 
echo .[^.]* ..?*

will output a list of 
all hidden files in your 
current directory.

.[^.]*  selects all files 
starting with a dot but NOT 
having a dot as their 
second character.

..?*    selects all files 
starting with two dots and
having at least one additional 
character

Together, they will retrieve 
ANY file starting with '.' 
except '.' and '..'  (even 
tricky ones like '...hideme')

The ^ (caret) symbol can be 
used as the first character
inside [ ] at any time to say 
"not one of the following"
rather than the usual "any one 
of the following."

[^0-9a-fA-F] will match any 
character that is NOT a hex 
digit.


This tip generously supported by: wurzel at concentric.net




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