Looking for a regular expression

beesond001 at hawaii.rr.com beesond001 at hawaii.rr.com
Wed Jul 25 01:09:02 PDT 2001


Dusty,

	Thanks very much, I'll try that one later this week when I try my hand a 
scripts again.

Ben 

>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 7/24/01, 1:40:37 PM, Dusty <dusty at sandust.com> wrote regarding [luau] 
RE: Looking for a regular expression:


> A buddy of mine just sent me this little Perl line to print out your IP 
addresses.  It does checking and everything.  Hank loves his perl.

> perl -n -e 
"/(^|\D)([01]?\d?\d|2[0-4]\d|25[0-5])\.([01]?\d?\d|2[0-4]\d|25[0-5])\.([01
]?\d?\d|2[0-4]\d|25[0-5])\.([01]?\d?\d|2[0-4]\d|25[0-5])(\D|$)/g && print 
\"$2.$3.$4.$5\n\";" /var/log/messages

> It will run through the file specified, and print each IP address it finds to 
STDOUT.  You can redirect the output with > >> and | like normal.  Note that it 
will only print the IP, not the whole line.


> Dusty

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