>Hi All,
>
>I am trying to confirm a point iro the working of mdot: if I have a file with 10 fields and 100 records and I need to scan through this file and inside my loop I reference 10 variables then will VFP need to lookup and resolve 10 vars x 10 fields x 100 recs = 10,000 field/variable references? Would using mdot avoid the need to perform 10,000 field/vars lookups?

You're awakening a beast thread:) W/O any comment in inner workings of it (not same in all versions at least) I'd say 'use mdot':)
Cetin