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    <p>Here's a non-optimal solution. In this case, the UFD has to have a specific name, which is passed to the script which searches every possible drive letter for a match. It's probably not practical to rely on the flash drives all having the same name.</p> <p>Still hoping someone pops by with a better answer!</p> <pre><code>setlocal :: Initial variables set TMPFILE=%~dp0getdrive.tmp set driveletters=abcdefghijklmnopqrstuvwxyz set MatchLabel_res= for /L %%g in (2,1,25) do call :MatchLabel %%g %* if not "%MatchLabel_res%"=="" echo %MatchLabel_res% goto :END :: Function to match a label with a drive letter. :: :: The first parameter is an integer from 1..26 that needs to be :: converted in a letter. It is easier looping on a number :: than looping on letters. :: :: The second parameter is the volume name passed-on to the script :MatchLabel :: result already found, just do nothing :: (necessary because there is no break for for loops) if not "%MatchLabel_res%"=="" goto :eof :: get the proper drive letter call set dl=%%driveletters:~%1,1%% :: strip-off the " in the volume name to be able to add them again further set volname=%2 set volname=%volname:"=% :: get the volume information on that disk vol %dl%: &gt; "%TMPFILE%" 2&gt;&amp;1 :: Drive/Volume does not exist, just quit if not "%ERRORLEVEL%"=="0" goto :eof set found=0 for /F "usebackq tokens=3 delims=:" %%g in (`find /C /I "%volname%" "%TMPFILE%"`) do set found=%%g :: trick to stip any whitespaces set /A found=%found% + 0 if not "%found%"=="0" set MatchLabel_res=%dl%: goto :eof :END if exist "%TMPFILE%" del "%TMPFILE%" endlocal </code></pre>
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    1. POHow can I detect the drive letter of a booted USB drive from script?
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    1. USDoug Chase
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    1. COUsing this solution raised another puzzle - the first time this script ran, it mistakenly selected the Boot volume (X:, the RAM disk) as the removable disk. If I ran the script again, it would select the correct disk. Just a note for future readers.
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