The next two chapters cover network programming with sockets and common protocols. Example programs illustrate the differences between sending data with UDP and TCP transport mechanisms. Other ...

A quick run down on how you can use regular expressions in your own programs to give you more power over searching and substituting text.

Programming The Network With Perl is quite different from other Perl books I have read. Many are written as reference books, whereas this one is written more like a textbook, with exercises at the end ...

(Perl is only the most conspicuous example of a large number of popular programs that use the same algorithm; the above graph could have been Python, or PHP, or Ruby, or many other languages.

Perl is a messy, maddening programming language, the “duct tape of the internet.” But at least you can tell it was made by humans.

Novice programmers were able to write sample programs more accurately in Quorum versus Perl–an interesting, but not terribly surprising, result. More surprising was how Perl compared to Randomo.

My colleagues use my Perl programs and some of them have cygwin installed on their PCs. cygwin has a dir.exe and my Perl programs attempt to use this when I call dir from within my program.

In Perl, every other array element is actually the index value. If you run into errors using associative arrays in Perl that tell you that you can’t use an undefined value as a symbol reference ...