Thanks for that, it helped a lot; but I'm in a bit of a confused pickle.

I'm using GD::Graph to draw some graphs. GD::Graph expects the data in the form;

@graphdata=([@array_of_xlabels],[@dataset],[@dataset],other datasets..
+...)
[download]

Now, I am trying to do this;

@labels=(array,of,labels)

loop
    loop
        build @dataset
    end loop
    push(@sets,[@dataset])
end loop

foreach $se (@sets)
    @set=$#{$se}
    ((some processing))
    push(@fixed,[@set])
end foreach

push(@graphdata,[@labels])

foreach $fi (@fixed)
    @fixd=$#{$fi}
    push(@graphdata,[@fixd])
end foreach
[download]

with the aim of ending up with @graphdata looking exactly the same as if I had done;

@graphdata=([@labels],[@dataset],[@dataset2])
[download]

so, pointers and references and whatnots all over the shop, and I'm getting confused.....

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