File Processing Statements: Difference between revisions
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;[[Close]] (CL) | |||
Deactivates an open file. | |||
;[[Delete]] (DEL) | |||
Marks a specified record as unavailable. | |||
;[[Open External|Open]] (OPE) external | |||
Activates an external file for input or output. | |||
;[[Open Internal|Open]] (OPE) internal | |||
Activates an internal file for input or output. | |||
;[[Read File|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 File|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. | |||
Revision as of 22:07, 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.