CIS133C CLASS 5

PROGRAM STATEMENTS . . .
  • The OPEN makes a file available to the program.
  • The CLOSE statement closes a file so that it is no longer available for processing by the program.
  • The READ makes a record available to the program for processing.
  • The WRITE statement writes or puts a record to an output file.
  • STOP RUN terminates the program and returns control to the operating system. Don't forget it!
  • MOVE copies the contents of a field or literal to a field.
  • Other program statements to be covered later include PERFORM, IF/ELSE, ADD and other arithmetic statements, and EVALUATE.








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