Overwrites this SUPBigString object with data from the specified file.
Any previous contents of the value will be discarded. Throws an SUPObjectNotSavedException if this SUPBigString object is
an attribute of an entity that has not yet been created in the database. Throws a
SUPStreamNotClosedException if the object is not closed.
Syntax
- (void)copyFromFile :(SUPString)filepath;
Parameters
- filepath – The file containing the data to be copied.