In the downloads area of the SciDB forums, the 12.12 source section says:
This file does not exist.
At the end of Section 5.4.3 of the SciDB User’s Guide it states:
[quote]For more information about the syntax of
the format string, see the Load section in SciDB Operator Reference.[/quote]
This section also does not exist. Nor is the input operator documented.