QBasic 1.1: PUT (File I/O) Statement

Explanation

GET, PUT Statements (File I/O)

GET reads from a file into a random-access buffer or variable. PUT writes a variable or random-access buffer to a file.

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Syntax

GET [#]filenumber%[,[recordnumber&][,variable]]

PUT [#]filenumber%[,[recordnumber&][,variable]]

Description / Parameter(s)

filenumber%	The number of an open file.
recordnumber&	For random-access files, the number of the record to read or write. For binary-mode files, the byte position where reading or writing starts.
variable	For GET, a variable used to receive input from the file. For PUT, a variable that contains output to write to the file. The variable is usually a variable of a user-defined data type.

Example


TYPE TestRecord
  Student AS STRING * 20
  Score AS SINGLE
END TYPE
DIM MyClass AS TestRecord
OPEN "FINAL.DAT" FOR RANDOM AS #1 LEN = LEN(MyClass)
MyClass.Student = "MarySa"
MyClass.Score = 99
PUT #1, 1, MyClass
CLOSE #1
OPEN "FINAL.DAT" FOR RANDOM AS #1 LEN = LEN(MyClass)
GET #1, 1, MyClass
PRINT "STUDENT:", MyClass.Student
PRINT "SCORE:", MyClass.Score
CLOSE #1
KILL "FINAL.DAT"