udev - usb add / remove 
Monday, August 13, 2007, 15:29 - System
Posted by Administrator
Because udev didn't know anything of idVendor or idProduct if you remove a device i use ENV{PRODUCT} to match for my unplugged device:


ACTION=="add", KERNEL=="event*", SUBSYSTEM=="input", \
  SYSFS{idVendor}=="1234", SYSFS{idProduct}=="5678", \
  SYMLINK+="input/myevent"

ACTION=="remove", SUBSYSTEM=="usb", \
  ENV{PRODUCT}=="1234/5678/100",    \
  RUN+="/usr/bin/killall myprog"


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