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Listing files that contain IP addresses

Posted on 2006-11-15
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Last Modified: 2010-08-05
Hi Experts,

how can i list all the files on my system which has IP addresses in them?

Thanks a lot
Vamsi
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Question by:vamsi_uk
8 Comments
 
LVL 45

Expert Comment

by:Kent Olsen
ID: 17947056

find / | grep '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*'

Note that this will list files with names that appear like IP address.  There's no guarantee that the name is an actual address.



Good Luck,
Kent
0
 
LVL 4

Author Comment

by:vamsi_uk
ID: 17947156
Hi kdo,

I think my question was not clearly written, sorry for that. What i meant is that i want to list the name of the files that contain an IP address inside that file contents (not in the file name)

thanks
0
 
LVL 45

Expert Comment

by:Kent Olsen
ID: 17947248

Use grep to do the same.  Though I suggest that you use it on selected directories and not the entire system.

To search from the current directory (and all subdirectories) try this:

grep -lR '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*' .


Kent
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LVL 4

Author Comment

by:vamsi_uk
ID: 17947308
Hi kdo,

I have tried the command that you gave me and i got this error message:

root@server1:/data>  grep -lR '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*' .

grep: illegal action -- R
Usage: grep -hblcnsviw pattern file . . .

Btw: Im using solaris 7, is that why im getting this problem?
0
 
LVL 45

Expert Comment

by:Kent Olsen
ID: 17947350

Yeah.  The 'R' option means recursively check subdirectories but it isn't a universal option.  I don't know what option you'll need in a Solaris environment.



Kent
0
 
LVL 58

Assisted Solution

by:amit_g
amit_g earned 150 total points
ID: 17948701
Try it this way...

find . | xargs grep -l -e '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+'
0
 
LVL 48

Accepted Solution

by:
Tintin earned 150 total points
ID: 17950339
amit_g

close, but no cigar.  Standard Solaris grep doesn't have a -e option, but the POSIX version does, but that doesn't support extended regular expressions.

Change to

find . | xargs egrep -l  '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+'
0
 
LVL 4

Author Comment

by:vamsi_uk
ID: 17956353
thanks a lot guys, i've got the expected results with that solution., im increasing the points and sharing between you both.

Cheers!
Vamsi
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