Script to auto delete Gmail trash

[DutchPete]

Gmail is set by Google to automatically delete messages in the Trash that are older than 30 days. There is no setting to change the 30 day limit. The only way to empty it before the 30 days is to do a manual delete
Does anyone have a script that can do the auto delete?

[japankid3000]

Somebody posted one recently so i'm sure if you google it you can find one but i'm not going to do it.