Extract ip address from a file

[pradhanparas389]

hi all

I need to extract IP addresses from a file and store only the extracted IP addresses in a new file. How do i do it. Do i use regular expression or is there any simple way to do it.

Thanks
Paras.

[dagon]

What's the original file look like? What will the new one look like?

[pradhanparas389]

the original file is a header of an email file

looks like:

Filename: file1.txt

Received: (qmail 27680 invoked from network); 12 Jan 2003 15:21:26 -0000
Received: from dev211.mailshell.com (HELO mailshell.com) (10.1.3.211)
by dev50.mailshell.com with SMTP; 12 Jan 2003 15:21:26 -0000
Received: (qmail 1953 invoked by uid 99); 12 Jan 2003 15:21:25 -0000
Received: (qmail 24580 invoked from network); 12 Jan 2003 15:21:24 -0000
Received: from unknown (HELO mta104.cheetahmail.com) (216.15.189.38)
by www.mailshell.com with SMTP; 12 Jan 2003 15:21:24 -0000
Date: Sun, 12 Jan 2003 15:21:47 -0000
Message-ID: <[e-mail]>
From: "circuitcity.com" <[e-mail]>
To: "Mailshell User" <[e-mail]>
Subject: Act Fast - Great Deals on the Hottest Electronics
MIME-Version: 1.0
Reply-To: "circuitcity.com" <[e-mail]>
Content-type: multipart/alternative; boundary="=amhe2xza9aqaf1bpagqeqbu4syp68c"

---

output sud be:

out.txt

IPs detected = x.x.x.x y.y.y.y ..............

-

Thanks
Paras.

[dagon]

preg_match_all all then

/^{((1?\d{1,2}|2[0-4]\d|25[0-5]).){3}(1?\d{1,2}|2[0-4]\d|25[0-5]){1}$/}

[pradhanparas389]

Thanks !

Now one more help..

I need to extract urls if present in the file like

http://domain.com/jjj.jsp

What is the reg exp for that.

Paras.