Q31151: "Path/File Access Error"; OPEN FOR APPEND ACCESS WRITE

Article: Q31151
Product(s): See article
Version(s): 3.00 4.00 4.00b 4.50
Operating System(s): MS-DOS
Keyword(s): ENDUSER | B_BasicCom | mspl13_basic
Last Modified: 28-DEC-1989

A "path/file access error" message occurs when OPENing with FOR APPEND
ACCESS WRITE.

The error occurs because the designated file needs to be READ in order
to be APPENDed. If the file is OPENed with ACCESS WRITE, READing
privileges have not been provided.

To eliminate the error message, omit the ACCESS clause or change
ACCESS WRITE to ACCESS READ WRITE.

This information also applies to Microsoft BASIC Compiler Versions
6.00 and 6.00b for MS-DOS and MS OS/2 and to Microsoft BASIC PDS
Version 7.00 for MS-DOS and MS OS/2.

The following code example demonstrates this behavior:

OPEN "test1.dat" FOR APPEND ACCESS WRITE as #1   ' Incorrect.
' OPEN "test1.dat" FOR APPEND ACCESS READ WRITE as #1   ' Correct.
FOR k = 1 TO 100
        WRITE #1, "hello", k
NEXT k
close #1

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