ILE COBOL Programmer's Guide


Sorting and Merging Files

Arranging records in a particular sequence is a common requirement in data processing. Such record sequencing can be accomplished using sort or merge operations.

To sort or merge files, you need to do the following:

  1. Describe the input and output files, if any, for sorting or merging.
  2. Describe the sort files and merge files.
  3. Specify the sort or merge operation.


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