I've recently written about using bash arrays and bash regular expressions, so here's a more useful example of using them to test IP addresses for validity. To belabor the obvious: IP addresses are 32 ...

The message "Invalid IP Address" indicates a problem with your computer's network setup. Every computer that uses an Ethernet-type network, such as the Internet, has an Internet Protocol address that ...

Hi folks, I'm writing a shell script to validate the format of an IP address, and was wondering the best way to go about doing this.<BR>All help greatly appreciated.<BR>Regards Ned.