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For example in any programming language that supports pcre: C, perl, python, Ruby... of course every programming language has other ways to check this, for example in python:

>>> s = "axbxc"
>>>...

Scrutinizer: that's very cool, it's better than chaining up grep's :) But I would like to do that in a single regexp i.e. without the use of shell tools like grep, awk, sed...

Hi,

I'm curious about how to do a very simple thing with regular expressions that I'm unable to figure out.

If I want to find out if a string contains 'a' AND 'b' AND 'c' it can be very easily...

how about
cd `ls -rtF|grep '/$'|tail -n1`

How about:

$ declare > my_declarations
$ bash
$ source my_declarations


I'm not sure that's what you're looking for, but it might work... dunno

*EDIT:
no... don't even bother... declare...

How about this, then:

for i in `cat NAME_FILE.TXT`; do size=$((`echo $i|wc -m`-1));dir=$(echo $i|cut -c$size)/$(echo $i|cut -c$(($size-1)),$size ); cp FILE_A.JPG DIR_B/$dir/$i;done


Although...

As far as I know, they may be files, but they aren't *regular* files.

But in any case, do you want to understand the inner workings of the operating system just to satisfy your curiosity, or do...

I'm having trouble understanding exactly what you want... but I'll give it a shot...

cd DIR_A
for i in `cat NAME_FILE.TXT`; do dir=DIR_B/`echo $i|cut -c6`/`echo $i|cut -c5,6`; mkdir -p ../$dir;...

What do you mean it's not available? what are you using?

in any case I believe you want maxdepth 1...

find . -maxdepth 1