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Perl Programming Documentation, also called perldoc, is the name of the user manual for the Perl 5 programming language. It is available in several different formats, including online in HTML and PDF. The documentation is bundled with Perl in its own format, known as Plain Old Documentation (pod).
The second line in the canonical form includes a semicolon, which is used to separate statements in Perl. With only a single statement in a block or file, a separator is unnecessary, so it can be omitted from the minimal form of the program—or more generally from the final statement in any block or file.
Starting with Perl 5.16, the current subroutine is accessible via the __SUB__ token, which returns a reference to the current subroutine, or undef outside a subroutine. [7] This allows anonymous recursion, such as in the following implementation of the factorial:
Today's Connections Game Answers for Sunday, February 16, 2025: 1. GLIMMER: HINT, SUGGESTION, TOUCH, TRACE 2. CORRESPOND WELL WITH: COMPLEMENT, FIT, MATCH, SUIT 3 ...
In computing (particularly, in programming), undefined value is a condition where an expression does not have a correct value, although it is syntactically correct. An undefined value must not be confused with empty string, Boolean "false" or other "empty" (but defined) values.
Two weeks ago, the White House froze spending on federal loans and grants, plunging organizations across the country into uncertainty.
Flax meal. Flax meal, or ground flaxseeds, mixed with water creates what is popularly known as a "flax egg." The seeds absorb the water and form a gel-like substance.
A pod parser always assumes that the file it is parsing doesn't start with pod; it ignores all lines until it sees a pod directive. pod directives must come at the beginning of a line, and all begin with an equal sign. The pod parser will then assume that all following lines are pod, until it encounters a line consisting of the "=cut" directive.