Rules and Regulations

You may define up to 50 foreign formats to be recognised in this way, and may give them any names and file extensions you like (apart from the format name NDF and the file extension `.sdf' which are reserved for the native NDF format). Format names are not case sensitive, although file extensions are if that makes sense for the host file system (e.g. they are case sensitive on UNIX). File extensions should always begin with a `.' and appear in parentheses following the associated format name. There is no individual limit on the length of a format name or file extension, but the entire format list is limited to 1024 characters.

Note that the same foreign format name and/or file extension may appear more than once in the NDF_FORMATS_IN list. The first occurrence takes precedence when searching for files. Thus, you could associate different file extensions with the same format name to define synonyms for file extensions.