| file | : | filename |
Returns: database.
Synopsis: The function loads the sequence database located in file. The contents of file must be in the Darwin ISO-SGML format. By default, this sequence database is assigned to the system variable DB unless another variable is specified. This functions allows filename to specify a path.
Examples:
> DB:=ReadDb('~/cbrg/SwissProt'); # DB now points to this
# peptide database.
> ReadDb('~/cbrg/EMBL'); # Implicitly DB now points to
# this amino acid database