How do I script the unloading of an UEFI/EFI driver?

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When I'm at the UEFI/EFI shell, I can type the command "drivers" and it lists all the drivers that are loaded, like so:

Say that I want to unload the "USB OHCI Driver", I just type on the EFI shell command line:

unload 98

It asks if I really want to unload, I answer "y" and it unloads.

How would I script this? I can't find documentation for EFI scripting anywhere except for this site and the documentation is incredibly thin: http://ift.tt/1hKFXML

Would there be a way to do a Regex match on something like "OHCI" and then grab the DRV handle and pass that to the "unload" command?

asked 45 secs ago

Pretzel

2,209