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type TSO DEF GDG on the command line and hit enter. Now on the next screen it will ask for the GDG base name.give the GDG base name and again hit enter.Then it will ask for the GDG limit.Give a numeric value and then hit enter. You will have ur GDG base defined by this way in ISPF without using any ...
You can also use IDCAMS for checking this. //FILEMPTY EXEC PGM=IDCAMS //FILEB DD DUMMY //SYSPRINT DD SYSOUT=* //SYSIN DD * REPRO IDS(input file) OFILE(FILEB) COUNT(1) /* This will give a RC = 12 if the file is empty. You can also use PRINT IDS(input file) COUNT(1&...
- Wed Nov 22, 2006 5:31 pm
- Forum: COBOL
- Topic: COBOL Program performance tuning tips
- Replies: 22
- Views: 64321
If at all possible avoid doing a sort within a COBOL program. COBOL sorts are very inefficient. If you must do a sort in a COBOL program, specifying the FASTSRT compiler option may speed up the sorting process. I agree to what Madhu had adviced over here with a little variation. if you are using IN...