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If the file name was the last hard link to the file, the file itself is deleted as soon as no program has it open. [2] It also appears in the PHP, Node.js, R, Perl and Python standard libraries in the form of the unlink() built-in function. Like the Unix utility, it is also used to delete files. [3] [4] [5] [6]
Perl autovivification can be contrasted against languages such as Python, PHP, Ruby, and many of the C style languages, where dereferencing null or undefined values is not generally permitted. [ a ] It can be compared to the HTML standard's "named access on the window object" [ 2 ] which results in corresponding globally scoped variables being ...
Perl Package Manager (PPM) is a Perl utility intended to simplify the tasks of locating, installing, upgrading and removing software packages. It can determine if the most recent version of a software package is installed on a system, and can install or upgrade that package from a local or remote host.
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).
Some of these perform bootstrapping tasks, such as ExtUtils::MakeMaker, [5] which is used to create Makefiles for building and installing other extension modules; others, like List::Util, [6] are merely commonly used. CPAN's main purpose is to help programmers locate modules and programs not included in the Perl standard distribution.
Cross-platform implementation – perl programs work on many types of computers, usually without the need to modify the source code. Perl interpreters have been developed for most operating systems (platforms), taking into account the idiosyncrasies of each, so all such platforms can theoretically run the same code.
The Heisman Memorial Trophy will be handed out on Dec. 14 in New York City and is awarded to the "outstanding college football player in the United States whose performance epitomizes great ...
Perl Archive Toolkit (PAR) is a cross-platform packaging and deployment tool for computer applications and libraries written in the Perl programming language. Its name is inspired by Java 's JAR (file format) technology.