Eliminate doubles in a long list field

[Ludovic Thébault]

I've a long list field with double entry

I want to eliminate double.

I use this script :

 repeat for each line l in myLongList
   if l is not in myLongListWithoutDouble then
     put l&cr after myLongListWithoutDouble
   end if
 end repeat

But it's long. There is an another solution ? Thanks.