RootOutput and fileProperties
In recent versions of art (I am using v02_04_01), in which we are being advised to change fcl configuration scheduler.fileMode to output.fileProperties, RootOutput taking an unnecessarily bolshevik attititude about what output file patterns are allowed.
---- Configuration BEGIN
If you have specified the 'fileProperties' table in a RootOutput module configuration,
then the file pattern '%#' MUST be present in the file name.
We have been happily using a file pattern with scheduler.fileMode, which has been working fine. We don't want to add the sequence pattern, and there is no necessity to add the sequence pattern to guarantee a unique output filename. Our current output pattern includes ifb which copies the name of the input file into the renamed output file, which is sufficient to guarantee a unique output file name, in combination with our