PROGRAM TO DEMONSTRATE SORT VERB:

The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order of the Account Number.

 identification division.

  program- id.

  environment division.

  input-output section.

  file-control.

    select o1- file assign to disk

    organization is line sequential.

  select s1-file assign to disk

    organization is line sequential.

    select w- file assign to disk.

  data division.

  file section.

  fd o1- file

    label records are standard

    value of file- id is "o1.dat".

  01  o1-rec.

    02 o1-acc-no pic 9(2).

    02 o1-name pic x(4).

  fd s1-file

    label records are standard

    value of file- id is "s1.dat".

01  s1-rec.

  02 s1-acc-no pic 9(2).

  02 s1-name pic x(4).

sd w-file.

01  w-rec.

  02 w-acc-no pic 9(2).

  02 w-name pic x(4).

procedure division.

p-1.

      sort w-file on ascending key w-acc-no using o1-file

        giving s1- file.

  stop run.