Extract Utility User's Guide - Supra - Cincom

Considerations♦♦♦♦♦Each XML tag must appear within a pair of XML tags and, which directs Extract to extract the field data from the identifieddatabase file.Specify the Physical Fields you wish to extract from a given file in whateverorder you want them to appear in the output file, then supply theappropriate (and perhaps ) elements between the and tags.If you do not wish to extract subfields, the XML elements may beterminated with />. If you wish to extract subfields of a given field, theXML elements for the subfields must appear between the and tags for such a field. See the description of the tag,which follows. When you code tags, you must omit the Type,Length, Format, and Null attributes from the controlling tag.When you code a tag, the parent field is not extracted to theoutput flat file, only the subfield is extracted.If you have defined a NULL value in the PDM Directory, it will be usedunless you supersede that value with the NULL= attribute above. The rulesfor a PDM defined NULL are the same as one specified in the XML above.Extract Utility User's Guide, P25-9513-03 55Chapter: 5. Coding the Extract functionSection: Coding the XML for the Layout Control file