Originally posted in cdnusers.org by Trykon
If the list of nets is in the following format you can use the Find by Name section of the find filter to accomplish this task easily. The list of nets should be in the form of:
Have the list of nets in the above format and name the file "no_test.lst"
In Allegro select Edit > Properties
o Set the Find by Name to "Net" and "List"
o Browse for the file
o In the "Open" dialog select the file e.g. no_test.lst; Select "Open"
In the Edit Property Dialog that is presented select the property, in this case "No_Test", and move it to the right.
Select "Apply" to add the property to all of the nets
OK the Edit Property dialog
Done the command