What is the construction of sort fields in JCL?
SUM FIELDS=NONE removes duplicates on fields specified in SORT FIELDS. In the above example, employee number is in the field position 1,15. The output file will contain the unique employee numbers sorted in ascending order. 3.
How do you sort records in JCL?
The SORT control statement must be used when a sorting file is performed. This statement describes the control fields in the input records on which the program sorts. A SORT statement can also be used to specify a copy records. If multiple positions of sorting specified, the order of priority is from left to right.
Can we use Inrec and Outrec together?
INREC, OUTREC, and SUM can be used in the same sort. Use the INREC statement to prevent overflow when totaling numeric fields.
What is Outrec JCL?
JCL – SORT OUTREC Fields
The OUTREC control statement allows you to reformat the input records after they are sorted, merged, or copied. You can create the reformatted OUTREC records in one of the following ways using unedited, edited, or converted input fields.
What is Outrec fields sort?
OUTREC adds, deletes, or reformats fields after the records are sorted or merged. INREC adds, deletes, or reformats fields before the records are sorted or merged. so that performance will be improved SORT OUTREC Example JCL.
What is Inrec and Outrec?
The INCLUDE and INREC statements refer to fields as they appear in the input records. The SORT and OUTREC statements refer to fields as they appear in the reformatted INREC records. The OUTFIL statements refer to fields as they appear in the reformatted OUTREC records.
What is the difference between Inrec and Outrec in JCL?
INREC is processed BEFORE the records are sorted, merged or copied. OUTREC is processed AFTER the records are sorted, merged or copied.
What is the difference between Inrec and Outrec in sort?
INREC: Specifies how records are reformatted before they are sorted, copied, or merged. INREC is useful in case of large input file. OUTREC: Specifies how records are reformatted after they are sorted, copied, or merged. Final output will be the same.
What is Outrec sort?
How do you add zeros to Outrec?
Using OUTREC parameter in SORT, you can insert zeroes, blanks or strings in any place you require of the output record.
- Insert Zeroes. Suppose you want to copy first 10 fields then place 10 zeroes and then bytes from 11 to 20 from the input file to output file.
- Insert Blanks.
- Insert string.
What is Outfil in sort?
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 do you sum fields in sort?
SUM FIELDS=NONE removes duplicates on fields specified in SORT FIELDS. In the above example, employee name(first 3 character) is in the field position 1,3. The output file will contain the unique employee numbers sorted in ascending order. Example 2: Input file has one or more records with same employee number.
Which is better Inrec or Outrec?
For SORT or MERGE, you would use INREC if you want to reformat the records before sorting or merging, or OUTREC if you want to reformat the records after sorting or merging.
What is Inrec?
The INREC control statement allows you to reformat the input records before they are sorted, merged, or copied. The INREC control statement supports a wide variety of parsing, editing, and reformatting tasks, including: The use of fixed position/length fields or variable position/length fields.
What is Inrec and Outrec in JCL?
Using SORT INREC in JCL. INREC adds, deletes, or reformats fields before the records are sorted or merged. so that performance will be improved OUTREC adds, deletes, or reformats fields after the records are sorted or merged.
How do you write Outrec fields?
Syntax – OUTREC FIELDS=(starting position of field1, length of field1, starting position of new field, new field length, nZ….. ) Specifies field1 starting position in the input file after sorting. Field1 physical length in input file.
What is Inrec build?
INREC Explanation
BUILD: Reformat each record by specifying all of its items one by one. Build gives you complete control over the items you want in your reformatted INREC records and the order in which they appear. You can delete, rearrange and insert fields and constants.
What is the difference between Inrec and Outrec?