[Gdal-dev] Re: [FWTools] gdal_merge.bat

[Matt Wilkie]

Frank Warmerdam wrote:
> On 10/28/05, Matt Wilkie <matt.wilkie at gov.yk.ca> wrote:
>> @echo off
>> :: My_Merge.bat
>> CALL gdal_merge.bat -o out_1.tif -of GTiff in_1.tif in_2.tif in_3.tif
>> CALL gdal_merge.bat -o out_2.tif -of GTiff in_3.tif in_4.tif in_5.tif
>> echo --- Done!
> 
> Matt,
> 
> Good debugging!  I have reproduced this behavior here as well but
> I don't understand it.  I see the same thing occurs if I have
> even a simple .bat file invoke another simple .bat file without
> call.

That's just the nature of Windows command shell, control is not returned 
to the original batch file unless CALLed. It's been that way for as long 
as I can remember (DOSv3). If I'd realised that on windows typing 
"gdal_merge" actually used gdal_merge.bat I'd have figured out it more 
quickly.

cheers,

-- 
matt wilkie
--------------------------------------------
Geographic Information,
Information Management and Technology,
Yukon Department of Environment
10 Burns Road * Whitehorse, Yukon * Y1A 4Y9
867-667-8133 Tel * 867-393-7003 Fax
http://environmentyukon.gov.yk.ca/geomatics/
--------------------------------------------