[Tutor] File copying - best way?

fleet@teachout.org fleet@teachout.org
Sun, 5 Aug 2001 18:48:20 -0400 (EDT)


Ok.  This makes sense (although I always considered "no such file of
directory" an error message.  I guess it's just more of an explanation! :)

Thanks,
				- fleet -

On Sun, 5 Aug 2001 alan.gauld@bt.com wrote:
>
> > "errno" useful also
> > - but I have no clue how to use it.  Would this have allowed
> > me to test:
> >
> > os.popen("ls *.jpg")
> >
> > if it found no jpg files?
>
> No. The reason being that in Unix 'ls' findng no files is
> NOT an error. 'ls' simply reports, quite accurately, the contents
> of a directory, if it's empty 'ls' returns am empty list! That's
> not an error. 'ls' will return an error if you ask it to list
> the contents of a non existent directory however.
>
> In that case the errno() stuff might be useful to you...
>
> Alan g
>