This snippet was created accidentally with an empty title, while I was scanning for other snippets to up-vote. And it was created with an empty subject, requiring me to "view source" to pick out the node number, which I then next sent to myself as a message in the chatterbox as /tell merlyn [id://31832|this one]. I then followed the link, and was able to press the "edit this" link from there, which I am now typing at.

So, unable to think of something useful to put here (except the path by which I got to this node), I now give you...
How to add 2 + 2 with Perl 

$result = 2 + 2;
print "the answer is $result\n";

[download]

In reply to Adding 2 + 2 by merlyn

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! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.