Can you sort the data with Perl before writing to the spreadsheet?

nope,

My spreadsheet is built with others spreadsheets, some data can be identical in those spreadsheet, so i have to write identical data once.

I guess it would make the algorithm very slow and complicated if i had to sort datas before writing in the spreadsheet.

But anyway, I found my answer some minutes after I asked for help. Here's the answer if some people need it ;) :

    my $SortOrd1 = $Sheet->Range("A2");
    my $SortOrd2 = $Sheet->Range("B2");
    my $SortOrd3 = $Sheet->Range("C2");
    
    my $Selection = $Sheet->Range("A:M");
        $Selection->Sort(
        {Key1 => $SortOrd1,                   
        Order1 => xlAscending,                    
        Key2 => $SortOrd2,                   
        Order2 => xlAscending,                  
        Key3 => $SortOrd3,                    
        Order3 => xlAscending,
        });
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