Terry Draper on IBM Mainframe Discussion List <IBM-MAIN@bama.ua.edu> wrote on 09/30/2010 04:18:38 AM: > Frank, > I did not plan for SORT to read the records. SORTIN is dummy. The > exit reads the records directly and inserts the records into sort. I > have written many such E15 exits to process SMF data. The E15 does > the read from its own input file. It then only reads the records > until the higher date is reached. It then stops reading any more > records and signals to sort that the input is finished. > This will only read the required records.
Thanks for clarifying. It wasn't clear that you meant to have the E15 read the records instead of DFSORT. That might be more efficient, or or it might not, depending on the input records and kept records, the efficiency of the E15 in reading the records vs DFSORT, etc. The only way to tell would be to try both approaches. Frank Yaeger - DFSORT Development Team (IBM) - yae...@us.ibm.com Specialties: JOINKEYS, FINDREP, WHEN=GROUP, ICETOOL, Symbols, Migration => DFSORT/MVS is on the Web at http://www.ibm.com/storage/dfsort ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
