using me above array of arrayrefs implementation, if you want to sort on column 3 and break ties with column 1, do this: 
@data = sort { $a->[3] <=> $b->[1] || $a->[1] <=> $b->[1] } @data;

[download]
that can be extended indefinitely with or "||" clauses, but to completely generalize this is much harder.

In reply to Re: Re: Re: Data Structure advice by shemp
in thread Data Structure advice by Anonymous Monk

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