list by id not providing output when run as sudo

[shadowiness]

arcana@dreadnought:~$ sudo mouserot list --by-id
No output. Are you running as root?

[Run1e]

The device listing mechanism checks /dev/input/by-id and lists all entries that are character devices, and you have read & write perms.

Maybe check the output of ls -al /dev/input /dev/input/by-id?

At the end of the day mouserot list is just a convenience function for looking in /dev manually, so you can just find the device you want in /dev/input/by-id yourself and then mouserot apply.