Learning Perl Objects, References, and Modules
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packages [See also modules][See also modules] @ISA variable and 2nd global variables 2nd lexicals and 2nd main program in as namespace separators naming considerations 2nd scope of directives 2nd parameters [See also return values][See also return values] @_ adding to methods 2nd callbacks and 2nd hash references as instance methods and instances as method invocation and 2nd passing to superclasses returning updated values shifting 2nd parent-child relationships parsing file specifications shifting style 2nd passing by reference [See references] PATH environment variable paths, searching for installed modules/libraries 2nd PAUSE (Perl Authors Upload Server) ID 2nd perl command -d option -I option 2nd -M option -V command line option -V:make -w option 2nd PREFIX= option (Makefile.PL) 2nd perl-packrats mailing list PERL5LIB environment variable .pl (Perl Library) extension .plx (Perl Executable) extension .pm (Perl Module) extension POD format prefixes, explicit PREREQ_PM setting (Makefiles) programs [See also OOP][See also OOP] behaviors of compile phase object destruction and run phase sharing code whitespace 2nd properties, instances and push function
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