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 ...

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 ...

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 ...

In my last article for Linux Journal's web edition, I discussed a web-based program that queried an SQL database and output a native Excel file. That article was based on a program I wrote for a ...

In the December 2000 issue of Linux Journal, I reviewed the latest edition of the classic Perl text: Programming Perl, 3rd Edition (or The Camel for short). In that review, my advice to new Perl ...

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 ...

Tons of tools and projects still make use of Perl, but PHP, Python, and Ruby have stolen its programming thunder Back then, I posited that Perl 6 might change things, put a new shine on an old warrior ...