What Ive got so far$ udevadm info -a -p$(udevadm info --q path -n /dev/usb/lp1) | grep serialATTRS{serial}==544336460792090000/etc/udev/rules.d/50-udev.rules:SUBSYSTEM==usb, ATTRS{serial}==544336460792090000, SYMLINK+=receiptWhich does create a /dev/receipt link, but I get nothing when I tryecho -e 'foo' > /dev/receiptWhat am I doing wrong?
Trouble getting USB printer to 'stick' using udevadm
usb;udev;printer