Input files separated by blank [mzData,mzXML,mzML,dta,dta2d,mgf,featureXML,consensusXML,fid,traML]Output file [mzML,featureXML,consensusXML,traML]Output of retention time transformations that were applied to the input files to produce non-overlapping RT ranges. If used, one output file per input file is required. [trafoXML,Inactive]The text sent to standard out during the execution of FileMerger.The text sent to standard error during the execution of FileMerger. (If it appears in gray, it's the output of a previously failing run which is preserved for your trouble shooting.)