Using the built-in debugger of Perl as REPL

This video is in English.
Length: 06:18
Source: Perl Maven on the 2011-06-22.
Speaker: Gabor Szabo (szabgab) speaker

The command line debugger that comes with perl is very powerful. Not only does it allow us to debug script but it can be used as a REPL - a Read Eval Print Loop to explore the capabilities of the language. There are a few basic examples in this screencast.

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In this screencast:

perl -de1

p - print scalar x - print data structure b subname - set breakpoint