foreach $primary( @primary )
{
    print "\t$primary\n";

    foreach $secondary( @secondary )
    {
        print "\t\t$secondary\n";

        foreach $tertiary( @tertiary )
        {
            print "\t\t\t$tertiary\n";

            #%HoH = ( $primary => $secondary => $tertiary);
            #%HoH = {$primary}{$secondary} => $tertiary);
            # 
            $HoH{$primary} -> {$secondary} = [] 
                   unless ref($HoH{$primary} -> {$secondary}) eq 'ARRA
+Y';
            push @{$HoH{$primary} -> {$secondary}},$tertiary;
        }
    }
}

[download]
Was that what you were looking for?

Peter L. Berghold -- Unix Professional
Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg

In reply to Re: Hashes... Light switch isn't coming on by blue_cowdawg
in thread Hashes... Light switch isn't coming on by agentorange

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.