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int save_object(string name [, int format])
string save_object([int format])
Encode the saveable variables of the current object into a string.
In the first form, the string is written to the file <name>.
A suffix ".c" will be stripped from the name, the suffix ".o"
may be added by the master object during the check in
valid_read(). Result is 0 if the save file could be created,
and non-zero on a non-fatal error (file could not be written,
or current object is destructed).
In the second form the string is returned directly. If the
object is destructed, the result is 0.
In both forms, the optional <format> argument determines the
format of the savefile to be written:
-1: use the driver's native format (default).
0: original format, used by Amylaar LPMud and LDMud <= 3.2.8 .
1: LDMud >= 3.2.9: non-lambda closures, symbols, quoted arrays
can be saved.
2: LDMUd >= 3.5.0: floats are stored in a different way, which is
more compact and can store the new floats losslessly.
It is recommended to use version 2 or higher.
A variable is considered 'saveable' if it is not declared
as 'nosave' or 'static'.
Only lfuns bound to the current object can be saved.
Since LDMud 3.2.8, save_object() returns a success value.
The direct encoding into a string was added in LDMud 3.2.8, but
may be moved into a different efun in future.
LDMud 3.2.9 added the saving of non-lambda closures, symbols,
and quoted arrays, using the new savefile format version 1.
LDMud 3.2.10 added the <format> argument.
LDMud 3.5.0 added savefile format version 2.
restore_object(E), save_value(E)