File Processing Statements: Difference between revisions
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Activates an internal file for input or output. | Activates an internal file for input or output. | ||
;[[Read | ;[[Read file|Read]] (REA) file | ||
Inputs data from a record and assigns values to specified variables. | 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. | Assigns values from the last record read; must follow a successful READ or REREAD. | ||
Revision as of 22:37, 6 February 2013
- Close (CL)
Deactivates an open file.
- Delete (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.