udev remove ATTR(S) not working

[Farkas Levente <lfarkas@bppiac.hu>]

hi,
how can i write a RUN udev rules for remove event? i want to recognize
my usd pendrive's add and remove. the add is simple since i can use
rather specific rules like:
---------------------------------------
ACTION="add", SUBSYSTEM="block", ATTR{size}="2880",
ATTRS{serial}="07530736300A", ATTRS{product}="USB DISK Pro", RUN+="/xxx"
---------------------------------------
but the remove rule is much complicated, since (at least it seems for
me) udev don't send ATTR(S) in this case and don't know about anymore
the removed device parameters.

anyway how can i how what kind of ATTR(S) was send by udev?
a simple RUN script like this is not too useful since it's only shows
environment variable but not ATTR(S)
-----------------------
#!/bin/bash
OUT=/tmp/udev.$$
echo " ------ $ACTION ------------" > $OUT
set >> $OUT
-----------------------
is there any way to debug udev?

another question what is the ID_* env variables? these are the same as
ATTR(S) or ..?

thank you for you help in advance.

-- 
  Levente                               "Si vis pacem para bellum!"

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