What is sort fields copy in JCL?

What is sort fields copy in JCL?

SORT FIELDS=COPY. tells to copy the input records to output. The input data set is copied to the output data set without. sorting or merging.

How do I copy only selected records in JCL using sort?

EXPLANATION 1. SORT FIELDS=COPY It is for copy records to output file 2. INREC FIELDS=(7:2,5,20:10,3) (for formatting) Here we have two formattings, 1. 7:2,5 – data at 2nd position of input file with length 5 copied to 7th position of output file 2.

How do you sort fields in JCL?

JCL – Basic Sort Tricks

  1. A file has 100 records. The first 10 records need to be written to output file.
  2. Input file has one or more records for same employee number. Write unique records to output.
  3. Overwrite input record content.

How do I sort a numeric field in JCL?

For the field you want to sort on (key), p is the starting position, m is the length, f is the format and a is A for ascending sequence or D for descending sequence. If you don’t know which format (f) to use, show us what the values to be sorted look like.

How do you sort in descending order in JCL?

INREC OVERLAY statement adds a sequence in 40th position. SORT FILEDS statement sorts the records in descending order based on the newly added sequence number. OUTREC BUILD – As the sequence number is not required in output, this build statement copied the actual data till 35th position.

What is Inrec and Outrec in JCL sort?

Because INREC reformats the records before they are sorted, the SORT and SUM statements must refer to the reformatted records as they will appear in the output data set. The SORT and OUTREC statements refer to fields as they appear in the reformatted INREC records.

How do I reverse the order of a Playstation file?

Some versions of COBOL support a READ LAST statement to get the last record on the file. Then use READ PRIOR to read the file in reverse order. Not sure what COBOL version you’re working with. If the device the file is on supports it, you can use “OPEN INPUT fname REVERSED”.

What is sum fields in sort JCL?

JCL – SORT SUM Fields The SUM control statement specifies that, whenever two records are found with equal sort or merge control fields, the contents of their summary fields are to be added, the sum is to be placed in one of the records, and the other record is to be deleted.

What does sort fields = copy mean in JCL?

SORT FIELDS=COPY – indicate , it for copy of records, not for sort, we can also mention “OPTION COPY” instead of “SORT FIELDS=COPY”. the above sort statements will take data from 1st positioon to 6th position of input file and it will compare that data with ‘SRINIV’ or ‘KALAIA’ or ‘GUNASE’

How are outfil statements used in JCL-sort?

JCL – SORT OUTFIL Files OUTFIL control statements allow you to create one or more output data sets for a sort, copy, or merge application from a single pass over one or more input data sets. You can use multiple OUTFIL statements, with each statement specifying the OUTFIL processing to be performed for one or more output data sets.

How to sort two files with joinkeys in JCL?

JOINKEYS specifies the field on which the two files are compared. REFORMAT FIELDS=? places ‘B’ (matched records), ‘1’ (present in file1, but not in file2), or ‘2’ (present in file2 but not in file1) in the 1st position of the output BUILD. JOIN UNPAIRED does a full outer join on the two files.

How to create a simple sort structue in JCL?

Simple SORT jcl structue is as follows – Sample sort jcl—- . . //STEP10 EXEC PGM=SORT,REGION=1024K,PARM=parameters //SYSOUT DD SYSOUT=* Output messages from SORT //SORTIN DD DSN=…,DISP=SHR Input if SORT request //SORTOUT DD DSN=… Output for SORT request //SORTOFxx DD DSN=…