Perl ABC

Module

A description of Perl modules.

Package and symbol table

• Subroutine definition and scope
• Symbol table
• Type globs and symbol tables

Modules and directories

• Use the module in the directory one level above the executable program directory

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
• Understand how modules load

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