Re: Check file/dir existence

[Dr Syd Nicholson <sydnic@xxxxxxxxxx>]

Thanks Vern,

Problem solved.

Syd


Vern Hamberg wrote:

> Syd
>
> The service program for this is QSYS/QP0LLIB1. This'd make it
> available in
> RPGLE, I think.
>
> Vern again
>
> At 07:03 PM 11/20/2002 -0600, you wrote:
>
> > 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
> >
> > At 02:38 AM 11/21/2002 +0000, you wrote:
> >
> > > Is there an easy way for a program to determine if a file or directory
> > > exists in the IFS?
> > >
> > > In the QSYS.LIB file system we have CHKOBJ. But in the IFS I can't find
> > > any reference to a function that will give me an easy answer. There
> > > seem
> > > to be many APIs that use files and directories, but nothing that
> > > returns
> > > an easy answer of 'Yes/No' for 'Does object exist?'
> > >
> > > Many thanks in advance
> > >
> > > Syd Nicholson
> >
> >
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