[gradsusr] Use of ^ Character in Descriptor File

[Stephen McMillan]

Arlindo, Frank,
Thanks both of you for your replies, and they have helped to partially
resolve this.

First of all, I had not been aware that, to use the ^ character, that grads
had to be run from the same directory as the .ctl and .bin files.  Mine
does indeed work if I do that, but only if I first change directories from
either a separate Cygwin window or from the Windows (dos) command line,
prior to launching grads from within that window.  It is a useful
workaround.  Otherwise, if I try to change directories (!cd
c:/whatever/folder, e.g.) from the grads command line, it won't work.

I will soon be trying out the latest opengrads release (*2.1.a2.oga.1).  *I'm
thinking the included "path" extension will resolve the last issue
mentioned.
Stephen Mc


On Sun, Jun 22, 2014 at 10:20 AM, Arlindo da Silva <dasilva at alum.mit.edu>
wrote:

> Sephen,
>
>    In the past "^" expansion worked on windows, but since I am not a
> windows user I have to rely on users to report such problems.  In fact, the
> model.ctl that I use for tests has "^" in it and all windows builds passes
> 100% of the tests.
>
>    Can you send me the full name of the directory where the data resides?
> I want to make sure there is no glitch with the handling of specific
> directory names when expanding "^". Please send me the 2 versions of the
> ctl file: one with the "^" and the other with full pathname and I will take
> a look.
>
>    Arlindo
>
>
>
> On Fri, Jun 20, 2014 at 9:23 AM, Stephen McMillan <
> smcmillan at planalytics.com> wrote:
>
>> This question is for those familiar with MS Windows...
>>
>> The GrADS documentation states that "If a ^ character is placed in front
>> of *data_filename*, then *data_filename* is assumed to be relative to
>> the path of the descriptor file. If you are using the ^ character in the
>> DSET entry, then the descriptor file and the data file may be moved to a
>> new directory without changing any entries in the data descriptor file,
>> provided their relative paths remain the same."
>>
>> However, I have not been able to get this to work.  My descriptor (.ctl)
>> and data file (.bin) have exactly the same names, apart from the
>> extensions, and reside in the same folder.  Here's the applicable "dset"
>> line in my descriptor file:
>> dset ^tfit.air-nino+soi+amo.lt12.jan51-02.bin
>>
>> If I include the full pathname in dset, it works fine.  However, I want
>> to be able to move the files to a new folder without having to edit the
>> dset entry.  Is there an equivalent for Windows?
>>
>> I'm using GrADS version 2.0.1.oga.1 on a Windows 7 pc.
>>
>> Stephen McMillan
>>
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>
>
> --
> Arlindo da Silva
> *dasilva at alum.mit.edu <dasilva at alum.mit.edu>*
>
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>

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