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perl-Storable - persistence for Perl data structures
- Description:
The Storable package brings persistence to your Perl data structures containing
SCALAR, ARRAY, HASH or REF objects, i.e. anything that can be conveniently
stored to disk and retrieved at a later time.
It can be used in the regular procedural way by calling store with a reference
to the object to be stored, along with the file name where the image should be
written.
The routine returns undef for I/O problems or other internal error, a true value
otherwise. Serious errors are propagated as a die exception.
To retrieve data stored to disk, use retrieve with a file name. The objects stored
into that file are recreated into memory for you, and a reference to the root
object is returned. In case an I/O error occurs while reading, undef is returned
instead. Other serious errors are propagated via die.
Since storage is performed recursively, you might want to stuff references to
objects that share a lot of common data into a single array or hash table, and
then store that object. That way, when you retrieve back the whole thing, the
objects will continue to share what they originally shared.
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