Table of Contents
action=pset with multiple instances of tool (14 Sep 2012)
Each instance of a tool in the history is acted on when action=pset.
unix% dmhistory evt.fits acis_process_events action=pset
Each instance of acis_process_events in the above example will be pset; the last instance will be the final parameter settings.
As the parameter of any tool may have changed, this may lead to warning messages about parameter mis-matches and may miss or skip new parameter.
action=pset with long command lines may crash. (14 Sep 2012)
If one uses the action=pset option and the command line is very long (> ~4096 characters), the tool may crash. This may be the case if the file is the result of combining many observations.