Perl has a bunch of strange-looking unary operators that all look like this -X. They can act on any file or directory name or any file or directory handle. They return various information about the specific file …

A file test, where X is one of the letters listed below. This unary operator takes one argument, either a filename, a filehandle, or a dirhandle, and tests the associated file to see if something is true about it.

Perl is a highly capable, feature-rich programming language with over 37 years of development. Download and Get Started. With free online books, over 25,000 extension modules, and a large …

No written specification or standard for the Perl language exists for Perl versions through Perl 5, and there are no plans to create one for the current version of Perl.

Learn about the Perl -x command, its usage, and how it influences script execution in Perl. Dive into detailed explanations and examples.

Jul 12, 2025 · If the comment exceeds one line then put a hashtag on the next line and continue the comment. Perl’s single line comments are proved useful for supplying short explanations for …

Perl officially stands for Practical Extraction and Report Language, except when it doesn't. Perl was originally a language optimized for scanning arbitrary text files, extracting information from those text …

Perl Monks has a wide and growing variety of community-reviewed tutorials, besides being one of Perl's largest community sites. Perl Meme provides tutorials, FAQs, and howto documents. Video tutorials …

Documentation Where to find reference material? There are many Perl books, you may also find these links useful.

Different definitions of Perl are given in perl, perlfaq1 and no doubt other places. From this we can determine that Perl is different things to different people, but that lots of people think it's at least …