Re^3: Should I worry about "Inappropriate ioctl for device"?

[AnomalousMonk]

Lady_Aleena:

If you didn't run any function that sets $!, or you ran it but it didn't fail, the contents of $! could be anything.

E.g.:

c:\@Work\Perl\monks>perl -wMstrict -le
"print 0+$!, qq{ == '$!'};
"
9 == 'Bad file descriptor'