Deletes the specified
and associated values from the
(It doesn't delete a file. See
modifies the environment.
Deleting from a hash that is bound to a (writable) DBM file deletes the entry
from the DBM file.
For normal hashes, the
returns the value (not the key) that was deleted, but this behavior is
not guaranteed for tied hashes, such as those bound to DBM files.
To test whether a hash element has been deleted, use