QBasic 1.1: EOF Function

Explanation

EOF Function

Tests for the end of a file. EOF returns true (nonzero) if the end of a file has been reached.

Worth knowing

Useful and cross-version information about the programming environments of QBasic, QuickBasic and Visual Basic for DOS.

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Syntax

EOF(filenumber%)

Description / Parameter(s)

filenumber%

The number of an open file.

Example


CLS
OPEN "TEST.DAT" FOR OUTPUT AS #1
FOR i% = 1 TO 10
  WRITE #1, i%, 2 * i%, 5 * i%
NEXT i%
CLOSE #1
OPEN "TEST.DAT" FOR INPUT AS #1
DO
  LINE INPUT #1, a$
  PRINT a$
LOOP UNTIL (EOF(1))