richclark,

can anyone
suggest a solution / utility that will perform the same task but will
use the same pre-defined filename each time without a prompt?

Adds a new "Local Port", name it as the file name and connect the
"Generic/Text Only Driver" to this port.
Each time you print to the "Generic" printer, the file will be created
without user intervention.

Kind regards,
Davide Guolo
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Printfil - Windows Printing System for Applications
http://www.printfil.com
Odbc4All - Connection to ODBC Data Sources for any Application
http://www.guolo.com/odbc4all
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