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Grep for all ip addresses mentioned in all files in a Directory

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# 1  
Old 11-24-2016
RedHat Grep for all ip addresses mentioned in all files in a Directory
I wish to traverse all files and folders under a given directory say "/tmp/configuration" and
Quote:
grep / search
for all ip address mentioned therein.

I tried find ./ -type f | xargs grep "*.*.*.*" but it does not populated the correct results.

Can you please suggest.
# 2  
Old 11-24-2016
Try something like:
Code:
find . -type f -exec grep -E -- '([0-9]{1,3}\.){3}[0-9]{1,3}' {} +

You need a backslash before literal dots, since dots has a meaning in regular expression, namely "any character" and you need a character before the asterisks, since they are regular expressions, not unix patterns.
Last edited by Scrutinizer; 11-24-2016 at 09:29 AM..
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