Hehe.. I know. I had lived big troubles with that... The best way combine it with a unique number like user number which I use. I lock a record when a user enter the network and my temporary names begins with it's number..

>Metin,
>IMHO substr(sys(2015),3) is not safe either (even if not shared) because it's time dependant and from 2007 3rd character would be a digit. What I used was something like this instead:
>
>stuff(sys(2015),9,0,'.')
>
>for a unique (local) filename. Or if would use a substr then:
>
>'_'+substr(sys(2015),4) for a relatively short life cycled temp file.
>Cetin
>
>>I think so you right, but look that thread gone another way and fallin to sys(3)... :))))
>>
>>In Turkey we says: "A maniac (it's me now..hehe...)throws a stone to a well, amd thousand intelligent can't get out..."
>>
>>
>>>>>SYS(2015) is not safe either, SUBSTR(SYS(2015)3) is safe AFAIK.
>>>>
>>>>Why?
>>>
>>>To be honest, I am not sure. It may be for compatibility with old DOS machines, or Novell servers which are not configured to handle long file names.