Command-line Perl scripts can make adminstering a UNIX box easier by replacing certain commands with some routine scripts. Find out how to take advantage of this approach. Perl is everywhere. Most ...

The “-p -i -e” part of this command could also be expressed as “-pi -e” and this is, in fact, like the example that the author uses to start his journey through 130 really useful Perl one-liners. He ...

There are a lot of really nice scripting languages available to Unix admins, but Perl is still one of my favorites for doing any work that involves regular expressions — any text that you can describe ...

Debugging is an annoying necessity in any language, whether it's debugging your own code or somebody else's that you've been given to make work on your system. Anything you can do to make debugging ...

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...