Perl ABC

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How to create a module

Explains how to create a Perl module.

Package and symbol table

• Symbol table
• Type globs and symbol tables
• package - Package (namespace) declaration

Loading modules

• Load the module by specifying the file name
• Load the module by specifying the module name with a variable
• Load module at compile time - use
• Load module at runtime - require

Module information

• Find the module search path @INC
• Examine the loaded module%INC