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 ...

I wish I had found Programming The Network With Perl two years ago. It really has opened my eyes to the power of Perl. The first chapter gives a brief overview of the basics of Perl. Users who are new ...

A similar Perl pie command might change Windows (DOS) style line endings (carriage return, linefeed) to Unix style line endings (linefeed only) or to replace other bytes in a file whether the file is ...

Despite the fact that MySQL comes with a rich set of functions, at some point you will find yourself wishing for some additional function or needing an advanced regular expression engine. To solve ...

An associative array is an array which uses strings as indices instead of integers. To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest ...

I'd Like to write a perl program that changes the working directory of the user, not just for the duration of the code, but even afterwords (the user would still be able to hop around, of ...

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 ...