Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl Monk, Perl Meditation

comment on

( #3333=superdoc: print w/replies, xml ) Need Help??

The odd number of hash elements warnings arises from the fact that there is only one key? Thanks

Yes, a key without a value, specifically  { q/Expert's Guide to Scala/ },

my $hashref = { 'hasherefs', 'are', 'made', 'with', 'curly', 'braces', 'they', 'like', 'to', 'come', 'in', 'pairs' };

Here is another way to initialize , the rehohy way

my %tgs; $tgs{articles}{Python}{Programming}{"Expert's Guide to Scala"} = undef; #d3 $tgs{articles}{Perl} = "Perl Programming for Biologists"; #d1 $tgs{articles}{Java} = "How to Program in Java"; #d1 $tgs{eBooks}{Linux} = "Linux: A Beginner's Guide"; #d1

And wouldn't you know it, its also a way to access certain elements :)

See also references quick reference

In reply to Re: A "simple" question regarding accessing a value in a complex data structure. by Anonymous Monk
in thread A "simple" question regarding accessing a value in a complex data structure. by Anonymous Monk

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, 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, 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.
  • Log In?

    What's my password?
    Create A New User
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others perusing the Monastery: (3)
    As of 2021-02-27 08:10 GMT
    Find Nodes?
      Voting Booth?

      No recent polls found