File Processing Statements

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Close (CL)

Deactivates an open file.

Delete Statement (DEL)

Marks a specified record as unavailable.

Open (OPE) external

Activates an external file for input or output.

Open (OPE) internal

Activates an internal file for input or output.

Read (REA) file

Inputs data from a record and assigns values to specified variables.

Reread (RER)

Assigns values from the last record read; must follow a successful READ or REREAD.

Restore (RES) file pointer.

Repositions the file pointer to the specified item, the next greatest item after the specified item, or the first item.

ReWrite (REW)

Updates an existing record.

Write (WR)

Creates or adds a new record.