Markus Neteler wrote:
> there seems to be a parser issue in GRASS 6 with d.save, it no longer
> redirects to a file (out=... might be even more compliant with our current
> user community).
>
> It does so with this change:
> --- main.c (revision 41103)
> +++ main.c (working copy)
> @@ -154,7 +154,7 @@
> _("Only map objects without extra header and tailer");
> only_object->answer = 0;
>
> - if (G_parser(argc, argv))
> + if (argc > 1 && G_parser(argc, argv))
> exit(EXIT_FAILURE);
>
> but then the GUI no longer comes up. Is there any possibility
> to check if the user uses redirection - pop up GUI otherwise?
You can check whether stdout is a tty with isatty(1). AFAIK, you can't
portably distinguish stdout being a file from stdout being a pipe.
Also, the MSys rxvt isn't a tty according to Windows' isatty().
--
Glynn Clements <[email protected]>
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