remove curve doubles without converting to mesh

scripts/addons/cam/curvecamtools.py

@@ -592,7 +592,7 @@ class CamCurveOvercutsB(Operator):
 
 
 class CamCurveRemoveDoubles(Operator):
-    """curve remove doubles - warning, removes beziers!"""
+    """curve remove doubles"""
     bl_idname = "object.curve_remove_doubles"
     bl_label = "C-Remove doubles"
     bl_options = {'REGISTER', 'UNDO'}
@@ -605,20 +605,11 @@ class CamCurveRemoveDoubles(Operator):
         obs = bpy.context.selected_objects
         for ob in obs:
             bpy.context.view_layer.objects.active = ob
-
-            mode = False
-            if bpy.context.mode == 'EDIT_CURVE':
+            if bpy.context.mode == 'OBJECT':
                 bpy.ops.object.editmode_toggle()
-                mode = True
-            bpy.ops.object.convert(target='MESH')
+            bpy.ops.curve.select_all()
+            bpy.ops.curve.remove_double()
             bpy.ops.object.editmode_toggle()
-            bpy.ops.mesh.select_all(action='TOGGLE')
-            bpy.ops.mesh.remove_doubles()
-            bpy.ops.object.editmode_toggle()
-            bpy.ops.object.convert(target='CURVE')
-
-            if mode:
-                bpy.ops.object.editmode_toggle()
 
         return {'FINISHED'}