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Using Ruby & WMI to Detect a USB Drive (See related posts)

From the Ruby on Windows blog.

How to use Windows Management Instrumentation (WMI) to determine if a "USB Mass Storage Device" is inserted.
require 'win32ole'

wmi = WIN32OLE.connect("winmgmts://")

devices = wmi.ExecQuery("Select * From Win32_USBControllerDevice")
for device in devices do
    device_name = device.Dependent.gsub('"', '').split('=')[1]
    usb_devices = wmi.ExecQuery("Select * From Win32_PnPEntity Where DeviceID = '#{device_name}'")
    for usb_device in usb_devices do
        puts usb_device.Description
        if usb_device.Description == 'USB Mass Storage Device'
            # DO SOMETHING HERE
        end
    end
end

Further details can be found here.

to ruby windows wmi by dmullet on Sun Jun 17 11:19:32 -0400 2007

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