In FlexiCapture 12 Distributed data set updates can be initiated from the command line. It may be useful if you would like to schedule data set update with some automation tools, like for example Windows Scheduler.

How to save log file in such cases? Redirection of output operator ">>" is one of the options: 

FlexiBRSvc.exe please update dataset "http://myAppServer/ProjectId/ProjectName" "Invoice" "Vendors" >> logfile.txt