Re: Check file/dir existence

you could use CHKIN and test for error message CPFA0A9

Bill


----- Original Message -----
From: "Vern Hamberg" <vhamberg@centerfieldtechnology.com>
To: <midrange-l@midrange.com>
Sent: Thursday, November 21, 2002 9:45 AM
Subject: Re: Check file/dir existence


> I haven't, but access returns an integer (4-byte). The first parameter is a
> const null-terminated string, the second is a 4-byte integer, with
> permissible values 0,1,2,4 (existence, execute, write, read, resp.)
>
> QlgAccess() uses a Qlg_Path_Name_T data type (struct - would need to be
> defined as a data structure). Definition of the Qlg_Path_Name_T struct is
> in QSYSINC/H(QLG). Definitions of the functions are in QSYSINC/H(UNISTD).
>
> Qlg* APIs are generally V5R1 and later.
>
> HTH
>
> Vern
>
> At 08:21 PM 11/20/2002 -0500, you wrote:
>
> >OK, Has anyone made an RPGIV prototype for the two API's below ?
> >
> >John Carr
> >
> >
> >------------
> > >Is there an easy way for a program to determine if a file or directory
> > >exists in the IFS?
> > >Syd Nicholson
> >
> >YES!! access() is the function you want - in the Unix-type APIs.
> >
> >In C, here's a macro to do this:
> >
> >#include <unistd.h>
> >#define exists(x) (access(x, F_OK) == 0)  /* x is full path to object */
> >
> >This works on anything you can specify with a pathname.
> >
> >BTW, F_OK = 0.
> >
> >There's also a national language version, QlgAccess(), that uses a pathname
> >structure that includes CCSID, pathname separator infor, etc.
> >
> >HTH
> >
> >Vern
>
>
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