how can i use regex to get a certain string of a file
        Posted  
        
            by chun
        on Stack Overflow
        
        See other posts from Stack Overflow
        
            or by chun
        
        
        
        Published on 2010-04-20T09:26:22Z
        Indexed on 
            2010/04/20
            15:03 UTC
        
        
        Read the original article
        Hit count: 298
        
Hi
with linux bash shell , how can i use regex to get a certain string of a file
by example:
for filename *.tgz do
"get the certain string of filename (in my case, get 2010.04.12 of file 2010.01.12myfile.tgz)"
done
or should I turn to perl
Merci
frank
© Stack Overflow or respective owner