Find free drive letter in Cygwin?

Martin Wege
Mon Aug 7 21:17:44 GMT 2023

On Mon, Aug 7, 2023 at 8:43 PM Brian Inglis <> wrote:
> On 2023-08-07 10:52, Martin Wege via Cygwin wrote:
> > What is the official cygwin way to find a free drive letter, which can
> > be used in a script to mount a drive?
> Just use the Windows UNC network path directly on Cygwin with '/' not '\'.
> For Windows, it may still be NET USE * \\... but have not used it in decades!
> Cygwin should pick it up and automount it under /proc/cygdrive/?/ but see
> disclaimer above.

So it would be a valid solution in bash to loop from a-z in
/proc/cygdrive/$letter/ and see whether this is a dir, right?


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