Perl

One course follows this fine and very well-known book:

This course is actually oriented towards advanced (Perl) software developers, but this is not a serious condition.

Another course follows this fine and very well-known book:

contact
Unterricht
education
languages
C and C++
Haskell
Lua
Perl 
Python
Ruby
Scala
configuration management
databases
editors + IDEs
Linux + sys. admin.
the web and authoring
cloud computing
telecommunication
career
economy+society
products
involvements
Jochen Hayek