@a1 = qw (ID1 len1 dom1 domlen1 seq1);
@a2 = qw (ID2 len2 dom2 domlen2 seq2);
@a3 = qw (ID3 len3 dom3 domlen3 seq3);
$line1 = /@a1;
$line2 = /@a2;
$line3 = /@a3;
@array =qw ($line1 $line2 $line3); # an array of array references.

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I want to first sort @array by element 1 of @a1, @a2, @a3 i.e. $ID , then by element 2 - $dom, then by element 3 - $domlen, by element 4 - $seq (which would be an alphabetical sort) and finally by element [0] - $ID (another alphabetical sort).

After this sort, I want to extract the 1st element - "ID" from 1st de-referenced array, in @sorted_array

I tried something on the lines of the suggestion at : http://www.perlmonks.org/?node_id=674374 by jettero, but get an error message - I suppose because what I am trying is to sort by elements in the deferenced array of arrays- which is not what the post here is talking about, right?

Thank you in advance!

PS. Sorry about the long post title

In reply to sorting array of array references with multiple dereferenced array elements by onlyIDleft

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