Creates an anonymous glob and returns a reference to it that can be used as a filehandle or directory handle.
qualify (symname[, pkg])
Turns unqualified symbol names into qualified variable names (e.g., turns myvar into MyPackage::myvar).
qualify_to_ref (symname[, pkg])
Like qualify, but returns a glob reference that can be used even if use strict 'refs' is in effect.
For backward compatibility only; does nothing.
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