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

Shell Programming and Scripting
1

I wish to traverse all files and folders under a given directory say "/tmp/configuration" and

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

Try something like:

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.