Given a file path, unplug the USB device on which the file is located (the file must be on an USB device !)

echo $(sudo lshw -businfo | grep -B 1 -m 1 $(df "/path/to/file" | tail -1 | awk '{print $1}' | cut -c 6-8) | head -n 1 | awk '{print $1}' | cut -c 5- | tr ":" "-") | sudo tee /sys/bus/usb/drivers/usb/unbind
You have an external USB drive or key. Apply this command (using the file path of anything on your device) and it will simulate the unplug of this device. If you just want the port, just type : echo $(sudo lshw -businfo | grep -B 1 -m 1 $(df "/path/to/file" | tail -1 | awk '{print $1}' | cut -c 6-8) | head -n 1 | awk '{print $1}' | cut -c 5- | tr ":" "-")
Sample Output
alex@alex-G73Sw:~$ echo $(sudo lshw -businfo | grep -B 1 -m 1 $(df "/media/0AF2108209E826EE/test" | tail -1 | awk '{print $1}' | cut -c 6-8) | head -n 1 | awk '{print $1}' | cut -c 5- | tr ":" "-") | sudo tee /sys/bus/usb/drivers/usb/unbind
2-1.3

30
By: tweet78
2014-04-06 12:06:29

What Others Think

Nice one, tweet78 !. Works for my USB key and my external HDD.
maze360 · 468 weeks ago
I have I/O errors while writing on my usb drive. Thanks to your command, I wrote a script to unplug / replug and resume transfer. Very useful, thanks !
dickbeck · 467 weeks and 6 days ago
Interesting, but will not work if the file is on a raid 1 array for example (several devices) ...
stevebaker · 467 weeks and 5 days ago
not bad, but I'm sure I could write a shorter command, still working on it !
nullpointer · 467 weeks and 5 days ago
awesome !
changlee · 466 weeks and 4 days ago
Ca marche pas avec toutes les cl?s usb, mais bon boulot tout de m?me
massimo · 466 weeks and 3 days ago
great !
feduser · 466 weeks and 1 day ago
OK on Kali
zaius · 466 weeks and 1 day ago
works well for me on Fedora 20, but, as stated, should be improved to manage raid
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jnmedshouse22 · 3 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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