@table_cont = ();

Update: A very common mistake is to set the array to undef

@table_cont = undef;
[download]

Which stores 1 element in the array, containing undef (I believe this was a bug in early version of Tie::Array). Use the code specified above to really clear the array.

Greetz
Beatnik
... Quidquid perl dictum sit, altum viditur.