On 06/11/07 03:25, Michael Barton wrote:
On 11/5/07 9:10 AM, "Moritz Lennert" <[EMAIL PROTECTED]>
wrote:
BTW anyone know how to give an empty extension in the tcltk gui ?
On the command line I can use extension="", but in the gui I get an
error because of an illegal ".
Moritz,
I'd offer some advice, but I'm not sure I understand what you mean.
How do you reproduce the following command:
i.rectify [...] extension=
in the gui launched when running i.rectify from the menu or from the
command line without options ?
Glynn has already pointed out that this seems to be a general deficiency:
On 06/11/07 11:08, Glynn Clements wrote:
This appears to be a deficiency with the way that the GUI decides
whether to pass an option.
G_parser() can distinguish between an absent option and an option
with the empty string as its value.
If the GUI treats an empty text field as the option not being given,
then there is no way to pass an empty string as an option value.
Anything you put into the text field will be passed literally as the
option's value.
AFAICT, the only solution is to add a checkbox to each option to
force the option to be passed. I suspect that i.rectify won't be the
only module where you might want to pass the empty string as an
option value.
Note that we have a similar problem with scripts using g.parser. I.e.
there's no way to distinguish between an absent option and the empty
string as the option's value.
Moritz
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