>I'm writing a routine to open a file exclusively. If I find the file is already open, how can I tell whether it is opened exclusively other than by closing it and trying to opening it exclusively, trapping for error?
>
>TIA,
>
>Alex

Hi Alex,

You may use SYS(2011) function to retrieve lock status:

If Sys( 2011) = "Exclusive"
    && the table is opened exclusively
EndIf

HTH