This tutorial walks through handling pipes and command line variables in a Perl script. http://www.codebeach.com/tutorials/pipes-and-command-line-variables-in...
This document is a step-by-step tutorial for designing and serving graphical maps of information resources http://hoohoo.ncsa.uiuc.edu/docs/tutorials/imagemapping.html
This article will show you how to use the GD library to create an index image that contains thumbnails of images in a given directory. http://wdvl.internet.com/Authoring/Languages/Perl/Weave/indeximg1-1.ht...
This tutorial shows how to handle file uploads from web forms in your CGI programs using Perl and CGI.pm. http://www.perlfect.com/articles/upload.shtml