bash script use cut command at variable and store result at another variable

Question

I have a config.txt file with IP addresses as content like this

10.10.10.1:80
10.10.10.13:8080
10.10.10.11:443
10.10.10.12:80

I wa

Answer 1

You can avoid the loop and cut etc by using:

awk -F ':' '{system("ping " $1);}' config.txt

However it would be better if you post a snippet of your config.txt