I'm a Perl novice and I'm trying to figure out the following: How do I get at all the files in a given directory AND in all of its subdirectories? I want to open each one of them, do some things to ...

I am working on a perl script where I would like to be able to write to two output files at the same time. The problem that I am running into is the first output file FILE will write fine but the ...

Originally, this article was stored on a minimalistic web site. I, along with the thousands of users who use that site, use FTP to maintain the content. This used to mean that after making changes to ...

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 ...

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 ...

While Perl and Python are two different programming languages, Python has the ability to execute Perl scripts through a built in function. Since Perl and Python are designed for different programming ...

If you write enough Perl, you'll reach a point where you need to create a module. And the more you work with quality code modules from the Comprehensive Perl Archive Network (CPAN), the more you're ...