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5.2.1 File Section

The File Section must contain a level indicator for each input and output file:

Must follow the level indicator (FD or SD), and must be the same as that specified in the associated SELECT clause. The file-name must adhere to the rules of formation for a user-defined word; at least one character must be alphabetic. The file-name must be unique within this program.

One or more record description entries must follow the file-name. When more than one record description entry is specified, each entry implies a redefinition of the same storage area.

The clauses that follow file-name are optional; they can appear in any order.

FD (Formats 1, 2, and 3)
The last clause in the FD entry must be immediately followed by a separator period.

SD (Format 4)
An SD entry must be written for each sort or merge file in the program. The last clause in the SD entry must be immediately followed by a separator period.

The following example illustrates the File Section entries needed for a sort or merge file:

         SD  SORT-FILE.


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