trigger transform: fix file arguments
fix problem with invalid input (ES_WrongFileFormat) caused by concatenating filenames.
relevant parts of log file:
Py:PyJobTransforms.TrigTransform.trigTranslate INFO Options set to: “{..., 'file': [
'data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-1._0001.1',
'data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-1._0002.1',
'data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-2._0001.1',
'data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-2._0002.1',
'data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-3._0001.1'], ...}”: PyJobTransforms.trfExe.preExecute INFO Will execute script as [
'setsid athenaHLT.py', ...,
‘--file=data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-1._0001.1data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-1._0002.1data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-2._0001.1data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-2._0002.1data18_hi.00367273.physics_EnhancedBias.merge.RAW._lb0217._SFO-3._0001.1', ...]
athenaHLT.py parses input file arguments with the 'append' option, so multiple '--file' options are passed instead.