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C:\Users\alex>perl -MFile::stat -E "for my $d (qw( C: D: H: I: M: T: X +: )) { my $st=stat(qq<$d\\.>); say $d,' ',$st->dev() }" ... X: 23 C:\Users\alex>
C:\Users\alex>subst n: c:\ ... X: 23 C:\Users\alex>