Marginal cygwin experience, but maybe explicitly iterate over the drives mapped using something like this? 

for my $drive (glob(q{/cygdrive/*})) { 
  for my $file ( File::...as before...->in( $drive ) ) {
    ## as before
  }
}

[download]

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: Find Photos Taken During A Certain Time Range by Fletch
in thread Find Photos Taken During A Certain Time Range by Limbic~Region

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