it works fine. So it only creates new ones when I empty %data before I put data in there...
I think that's a bit logical but how do I tell it to not create a new one...or I'll set a flag in each hash-element to use it in the scripts or not....
If I understood correctly there is no way to tell IPC::Shareable to not create a new one; on the other hand
if you undef something that has something tied inside it,
the module will not untie recursively all references contained...