linux - bash + how to capture IP address from line -

linux - bash + how to capture IP address from line -

i have many configuration files , line start line word have ip address

my target read line start line word file , print ip address

the problem ip address can in field in line can’t capture ip according field number

example

grep line file1.txt line /home/ariate/run.pl "voda sts 4 test - " "102841" && ssh 17.77.170.130 -p 2022 grep line file2.txt line /home/ariate/run.pl 137.77.170.30 "voda sts 4 test - " "102841" && ssh active

please advice how capture ip address line ( solution can perl 1 liner )

expected results

echo $ip_from_line 17.77.170.130 echo $ip_from_line 137.77.170.30

using grep -oe:

grep -oe '\d+\.\d+\.\d+\.\d+' file 17.77.170.130 137.77.170.30

or else:

grep -op '\d+\.\d+\.\d+\.\d+' file

linux bash perl awk