my @items = split / ,/, $code;
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Then, iterate over the array and change the name:

for my $item (@items) {
    my @matching = glob "$dir/$item*.PRODUCTS.sold";
    for my $file (@matching) {
        ( my $newname = $file ) =~ s/sold$/ordered/;
        rename $file, $newname;
    }
}
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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
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