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Perl Programming
Scalars
  • Have a name preceded by a $ character
    • Up to 251 alphabetic, numeric, and underscore characters
    • Must not begin with a digit
    • Case-sensitive
    • Some special names are reserved ($_, $1, $/)
    • Good style recommends descriptive words separated by underscores for readability

        $apple_variety = "Golden Delicious";
        $apple_color   = "yellow";
      
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