[GRASS-dev] Unable to rename cell/null file - NULL file messed up

[Paulo van Breugel]

On 01-12-15 14:51, Paulo van Breugel wrote:
>
>
> On Tue, Dec 1, 2015 at 2:04 PM, Helmut Kudrnovsky <hellik at web.de 
> <mailto:hellik at web.de>> wrote:
>
>     pvanbosgeo wrote
>     > When running a script (r.biodiversity) in GRASS 7.0 for Windows, I am
>     > getting the warning:
>     >
>     > WARNING: Unable to rename cell file
>     > 'C:\GIS\GrassJvdS/latlong/YLD_NUT/.tmp/unknown/3988.0' to
>     > 'C:\GIS\GrassJvdS/latlong/YLD_NUT/fcell/Shan3_CA_Renyi_0_0':
>     File exists
>     > WARNING: Unable to rename null file
>     > 'C:\GIS\GrassJvdS/latlong_2005/YLD_NUT/.tmp/unknown/4100.1' to
>     >
>     'C:\GIS\GrassJvdS/latlong_2005/YLD_NUT/cell_misc/Shan3_CA_Renyi_1_0/null':
>     > File exists
>
>     tested here:
>
>     r.biodiversity -r --verbose
>     input=spec1 at data,spec2 at data,spec3 at data,spec4 at data,spec5 at data
>     output=renyi
>     alpha=0,1,2
>     WARNING: Unable to rename null file
>     'C:\grassdata/test3035/data/.tmp/unknown/1680.1' to
>     'C:\grassdata/test3035/data/cell_misc/renyi_Renyi_0_0/null': File
>     exists
>     WARNING: Unable to rename cell file
>     'C:\grassdata/test3035/data/.tmp/unknown/1680.0' to
>     'C:\grassdata/test3035/data/fcell/renyi_Renyi_0_0': File exists
>     WARNING: Unable to rename null file
>     'C:\grassdata/test3035/data/.tmp/unknown/8936.1' to
>     'C:\grassdata/test3035/data/cell_misc/renyi_Renyi_1_0/null': File
>     exists
>     WARNING: Unable to rename cell file
>     'C:\grassdata/test3035/data/.tmp/unknown/8936.0' to
>     'C:\grassdata/test3035/data/fcell/renyi_Renyi_1_0': File exists
>     WARNING: Unable to rename null file
>     'C:\grassdata/test3035/data/.tmp/unknown/9328.1' to
>     'C:\grassdata/test3035/data/cell_misc/renyi_Renyi_2_0/null': File
>     exists
>     WARNING: Unable to rename cell file
>     'C:\grassdata/test3035/data/.tmp/unknown/9328.0' to
>     'C:\grassdata/test3035/data/fcell/renyi_Renyi_2_0': File exists
>
>     is there some overwriting of existing files in the script? AFAIR
>     there may
>     be some issues with overwriting existing files in windows os.
>
> Thanks Helmut. Yes, the script does also overwrite some intermediate 
> files (with r.mapcalc). I will look into that and see how to change that.

Hi Helmut, you were absolutely right, the problem was with r.mapcalc 
overwriting some intermediate files, so I changed that. I don't have 
Windows myself, but had a quick try on my colleagues computer, and it 
seems to work now.  Thanks for your help.

>
> I wonder though, if I use overwrite on the command line, there is no 
> problem. So than that would be a problem specific to 
> grass.script.mapcalc ?
>
>
>
>     -----
>     best regards
>     Helmut
>     --
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