[gdal-dev] problem with unwanted white space in input file list for gdalbuildvrt

[Fabrice LALLAURET - PSV]

  Le 09/15/2010 10:05 AM, Fabrice LALLAURET - PSV a écrit :
>  Hi all,
> I try to use some gdal tools in a batch file on windows and I've a 
> strange side effect. Here is a little batch use with fwtools 2.4.7.
>
> @echo off
> echo "Test 1 with file list"
> del listin.txt test1.vrt test2.vrt
> for %%F in (krel*.tif) do @echo %%F>>  listin.txt
> gdalbuildvrt  -input_file_list listin.txt test1.vrt
> echo "Test 2 with direct argument"
> gdalbuildvrt  test2.vrt krel*.tif
>
> And then the result of this script.
>
> H:\>testgdal.bat
> "Test 1 with file"
> 0...10...20...30...40...50Warning 6: gdalbuildvrt does not support 
> positive NS
> resolution. Skipping krel31.tif
> ...60...70...80...90...100 - done.
> Warning 6: gdalbuildvrt does not support positive NS resolution. 
> Skipping krel32.tif
> "Test 2 with direct argument"
> 0...10...20...30...40...50...60...70...80...90...100 - done.
>
> The two input files are all correct and when I use this command line :
>
>
> Everything works.
>
> After some investigations,(check my file, gdal debug compilation, try 
> on linux too, ...), I've found that there is a space at the end of 
> each line in my listin.txt. On linux, the same thing produce a clear 
> error :
>
>
> #>  gdalbuildvrt -input_file_list listin.txt toto.vrt
> 0...10...20...30...40...50ERROR 4: `krel31.tif ' does not exist in the 
> file system,
> and is not recognised as a supported dataset name.
> Warning 1: Warning : can't open krel31.tif . Skipping it
> ...60...70...80...90...100 - done.
> ERROR 4: `krel32.tif ' does not exist in the file system,
> and is not recognised as a supported dataset name.
> Warning 1: Warning : can't open krel32.tif . Skipping it
>
>
> It will be a good  thing that gdalbuildvrt trim white space before 
> reading file or have the same error on windows and linux.
>
> Thanks
>
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>

I've found the problem in my script

for %%F in (krel*.tif) do @echo %%F>>   listin.txt


must be

for %%F in (krel*.tif) do @echo %%F>>   listin.txt # no white space between F and>  !!


But I don't understand the problem of reading the geolocation of the 
tiff and a white space in a  file ??

Regards


-- 
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