I don't quite understand. You are looking for a specific device? How do you identify the device?
On Mon, Jan 22, 2024 at 9:35 AM Vince Winter <[email protected]> wrote: > I need if USB device is plugged to not to continue the rest of the script > across multiple devices. I can't change every device and I am trying to > eliminate humans looking at which devices are plugged in. > > I do conceded that many laptop cameras are USB and Bluetooth generally runs > on the USB bus. > > I have yet to find a good answer to this myself. > > On Fri, Jan 19, 2024, 3:54 PM Russell Senior <[email protected]> > wrote: > > > Two things I will mention: lsusb and udev rules. > > > > I have a set of udev rules that match ttyusb devices by path (they don't > > implement serial numbers, which would be better) and give them a > > consistently named symlink. I use /dev/ttyRn, where n is a whole number. > > That means no matter what order they are enumerated in, I can find the > > device. > > > > I don't know if that helps with your problem or not, but I have found > them > > to be useful in adjacent problems. > > > > -- > > Russell > > > > On Fri, Jan 19, 2024, 15:17 Vince Winter <[email protected]> > > wrote: > > > > > Hello, > > > > > > I am trying to write a bash script to detect if USB device is plugged > > into > > > a device and post a message with a device name that is plugged to > stdout. > > > > > > Complications are USB webcams, USB controllers, and this is going to be > > > used on large number of systems, so I can't customize to each system. > > > > > >
