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Input/Output, File I/O, Command-Line Arguments

Input/Output :: Handling STDIN and STDOUT

File Input/Output :: Filehandles

File Input/Output :: Other Functions

File Input/Output :: Error Handling

File Input/Output :: File Tests

Command-Line Arguments :: @ARGV

Command-Line Arguments :: Getopt::Std and Getopt::Long

Tangent :: Using Packages/Modules

I/O, File I/O, Command-Line Args Review

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