Sorting Multiple sort fields can be specified. Many file and data types are supported. Record Selection Records can be Included or Omitted from the output file based upon criteria you specify. Record selection provides comparisons on up to 20 fields. Conditions can be nested to any level.
Many facilities are available for processing records with duplicate fields.
Numeric Fields can be summed on records with duplicate keys. Written in assembly language for high performance and ease of calling from other languages. Many sample programs provided. Unlimited file size and multiple keys supported. Requires DOS 5.0 or above.