How many places do you see '-d'?

None.

How many places do you see '_'?

It should be used just about everywhere -d is used.

-d is the same as the unix file test, '_' is the same as ???.

I guess you'll be disappointed when you try to use _ with test.

In reply to Re^6: What does _ mean? by ikegami
in thread What does _ mean? by bichonfrise74

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