FWD: creating logfile (shell command)

[René L. Reingard]

also this question, i would like to ask again.
thanks to the experts.
René

hello shell experts
if this is a parameter for getting a Logfile created (software name is
bdc), then how to put it into a working command ($ bdc --log ?????).
i had some tries but did not got it.

   --log[=file]     - create log file

that what be fine, if i can learn this.
regards,
René