Identifiers
Learn the basics of identifiers/naming conventions in the Perl language.
We'll cover the following
Names
Names (or identifiers) are everywhere in Perl programs. They exist primarily for our benefit as programmers; we choose them for variables, functions, packages, classes, and even filehandles. All valid Perl names begin with a letter or an underscore and may optionally include any combination of letters, numbers, and underscores. When the utf8
pragma is in effect, we may use any
These are valid Perl identifiers:
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