Filesize() Function

[Fairlight]

Then that's literally "interrupted system call".

https://www-numi.fnal.gov/offline_software/srt_public_context/WebDocs/Errors/unix_system_errors.html

Technically, this should just involve a call to stat() internally, so
I'm not sure how it should be failing unless there are issues with
the filesystem.  

If it were a network share, I suppose I could see it happening if the
connection flaked out.

m->


On Wed, May 13, 2020 at 12:41:07PM -0400, William J. McEachran via Filepro-list thus spoke:
> msgbox ERRNAME( abs(aa) )
> will tell you the OS error on a negative number
> --
> Bill McEachran
> bill.mceachran at gmail.com     289-356-4406
> 
> 
> 
> 
> On Wed, 13 May 2020 at 10:19, Nancy Palmquist via Filepro-list <
> filepro-list at lists.celestial.com> wrote:
> 
> > Friends and filePro Experts,
> >
> > Does anyone have an idea what it means when I do the following commands?
> >
> > aa(8,.0)=Open([Name of file])
> >
> > ab(8,.0)=filesize(aa)   'should report the filesize of the opened file
> > and does most of the time.
> >
> > But sometimes I get the value "-4" instead of a positive number of some
> > kind.
> >
> > I expect it might be an error of some kind and if a -4 is possible, can
> > I expect other negative numbers?
> >
> > I would appreciate any insight on this.  I am kind of assuming the file
> > was not created or something bad like that happened.
> >
> > Nancy Palmquist
> >
> > --
> > Nancy Palmquist
> > Owner
> > Virtual Software Systems - www.vss3.com
> > (412) 835-9417
> >
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