Everyone should read perlintro when getting started with Perl, and refer back to it periodically, as it answers many basic questions and provides links to information for more in-depth ones. In this case, perlintro provides a link:

There are a number of "magic" scalars with names that look like punctuation or line noise. These special variables are used for all kinds of purposes, and are documented in perlvar.

And everyone posting here at PerlMonks should read Writeup Formatting Tips.


Dave

In reply to Re: what is the meaning of $| in perl? by davido
in thread what is the meaning of $| in perl? by sriram83.life

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
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