I am trying to search several hundred files for ip addresses.
These are text files with a bunch of words and the ip addresses are
interspered at random
Here are examples:
-----------file1-------------------
machine 1 is 10.30.41.6 and machine b is 192.168.3.6
machine c is 10.6.4.3 good to know machine 1 and b
------------------------------------
-----------file2--------------------
machine 4 is 10.30.41.7 and machine b is 192.168.3.9
machine d is 10.6.4.3 and hates to know machine 1 and b
machine 5 is 10.30.41.3 and machine b is 192.168.3.0
--------------------------------------
When I grep for the ip addresses the output is as follows:
file1:10.30.41.6
192.168.3.6
file1:10.6.4.3
file2:10.30.41.7
192.168.3.9
file2:10.6.4.3
file2: 10.30.41.3
Esentially grep will not put the filename in front of the second
occurance of an ip on a line.
I need a way to figure out how to have the filename be displayed on
the lines it's currently missing.
In case it helps, the current grep command is:
egrep -Ho "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}" *
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