S3ba’s Blog

This post lists a collection of 13 free books, available online, about perl programming. Many of this books are downloadable in pdf format.

For programmers the debugging is very important to develop his programs correctly, this post is a simple introduction in the use of perl debugger. The perl debugger is integrated in the perl interpreter, to run perl in the debug mode launch it with the switch -d

# perl -d dbex.pl

output:

the help:

at the debugger prompt you can type the command for the debugger.

To make easy debugging in perl is usefull the package ptkdb; it is a visual debugger based on PerlTk libraries and the package is very simple to install from CPAN. Run it from the perl script with the switch -d:ptkdb

# perl -d:ptkdb dbex.pl