Something like this?

Note: I don't know much about Excell, or its files, let alone how to programmatically create them. But there are modules out there for that. Check them out.

# Iterate over all sets
for my $set1_k (keys %matrix) {
 
    # Iterate over points in this set
    for my $point1_k (keys %{$matrix{$set1_k}}) {

        # Iterate over sets this point's entry refers to
        for my $set2_k (keys %{
                                $matrix{$set1_k}
                                ->{$point1_k}
                             })
        {

            my $filename = join("", $set1_k, "v", $set2_k, ".xls");
            # TODO: Create the Excell file.

            # Iterate over points in that set
            for my $point2_k (keys %{
                                    $matrix{$set1_k}
                                    ->{$point1_k}
                                    ->{$set2_k}
                                   })
            {

                # TODO: Populate the Excell file
                # The data that you'd want to write to the Excell
                # file is accessable under
                # $matrix{$set1_k}->{$point1_k}->{$set2_k}->{$point2_k
+}
                # in this loop.

            }

            # TODO: if necessary (check module docs): close Excell fil
+e
        }
    }
}

[download]

In reply to Re: Hash of Hashes of Hashes of Hashes by muba
in thread Hash of Hashes of Hashes of Hashes by Comment

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.