New answers tagged feature-class
Merge tool expect you a list of feature classes as the input. so you shouldn't put it in a loop. First build a list of feature classes in loop: #l is a list of featureclasses with absolute path l =  for r in rows: # r is a featureclass like "D:\FDB.gdb\input1" l.append(r) arcpy.Merge_management(l, "D:\FGDB.gdb\Merged")
Create a new blank feature class in your .gdb, when you get to the field names page, click import and choose your original feature class. Then right click your newly created feature class, and choose load data and add your attribute table, map the field names to the existing field names and viola.
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