Action to set disc number and number tracks?

Is it possible to make an Action that does these two things on the selected files?

(1) Replace field DISCNUMBER with '1'
(2) Renumber the tracks

Step 1 is easy of course, but can step 2 be caught in an Action line as well?

Thanks!

Read there: New feature suggestion: incremental counter (in the title field.)

DD.20091013.0918.CEST