Eof (Function)

Checks for the end of file.

Eof (<File No.>)

Parameters

The file number (integer) of the file opened by the Open command.

Return Value

Returns the value of the integer.

The content of the value is as listed below.

0: The end of the file has not been reached

-1: The end of the file has been reached

Description

Check to see if the end of file has been reached for the file specified by <File No.>.

Example
Read in data until the end of the file.

    Dim DATA$(255)
    Open "C:\input.dat" FOR INPUT As #1
    For I&=0 To 255 
        DATA$ = Input$(6,#1)
        DATA$(I&)=DATA$
        If Eof(1)<>0 Then Exit For 
    Next 
    Close #1
    Erase DATA$()