ilenum&nbsp;&nbsp;&nbsp;&nbsp; if used with several files, file number can be added in first<br>&nbsp; -addfilename&nbsp;&nbsp;&nbsp; if used with several files, file name can be added in first<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
field of output file. This can be used to add a cluster id<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
when log files come from several load balanced 