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Here is an index of our currently available Perl educational articles:

• Column-oriented data extraction with Perl
   
• What to do when Perl modules aren't in their normal locations
   
• Limiting access to your Perl/CGI scripts by remote host
   
• How to get and set cookies in Perl/CGI using CGI.pm (part 1 of 2)
   
• How to get and set cookies in Perl/CGI using CGI.pm (part 2 of 2)
   
• A simple cat program, written in Perl
   
• Determining the most popular files on your web site by analyzing Apache's access_log file
   
• Tracing Solaris process ancestors with Perl
   
• A Perl subroutine for processing the output of the Solaris "ps -ef" command
   
• How to read the Apache access_log file (Part 2) (Determining web hits by client address)
   
• How to read the Apache access_log file (Part 1)
• Accessing shell variables through associative arrays (an introduction)
• A simple Perl quote server
• A Perl function to prompt users during interactive command-line input
• A CGI program that prints every environment variable it knows
• How to open and read data files with Perl
• How to concatenate strings with Perl
• Reading from a pipeline with Perl
• Hello, world!