[GRASS-user] why is v.build.all (and many others) a windows batch file and not an executable?

Sat Apr 30 01:53:09 PDT 2016

Ok (I guess) but this causes severe problems running shell scripts that call out the GRASS modules ... there is no way of knowing which modules are compiled executables (which run fine from the shell script) and which ones are Windows Batch files (which DON'T run when called from a script) ... unless you run the script and figure out which modules make it crash.  If you look in the bin directory, you'll see a mix of both ... for example r.mask, v.build.all and v.db.addcolumn are Windows Batch files which you can''t run from a shell script - you have to add the "python {path to script}/{script}.py" to run it whereas in the same bin directory v.build, v.clean, r.what, etc are compiled executables.
This is really really (really) bad.  There are a lot of legacy shell scripts that will need extensive rewriting for which there are no resources to do. It's bad enough that msys is gone, the topology is no longer valid (have to update all data), a large amount of the module syntax options have changed, and so on ... for me all of this grief is because v.net doesn't snap points to the network and the fix (in v7) won't be ported to v6.4.4 .... They modules should all be compiled executables so legacy shell scripts users have can run them ... please make at least ONE thing about this "upgrade" semi-straightforward. It's been a nightmare.

Chris Bartolomei P.E.
Engineer/Scientist
ENSCO, Inc.
bartolomei.chris at ensco.com
________________________________________
From: grass-user [grass-user-bounces at lists.osgeo.org] On Behalf Of Helmut Kudrnovsky [hellik at web.de]
Sent: Saturday, April 30, 2016 1:05 AM
To: grass-user at lists.osgeo.org
Subject: Re: [GRASS-user] why is v.build.all (and many others) a windows batch file and not an executable?

Bartolomei.Chris-2 wrote
> Good evening and happy weekend!
> I am (still) upgrading from 6.4.4 to 7.0.3 and I discovered that the
> vector topography of all my data is not upwards compatible so per the
> instructions at
> https://urldefense.proofpoint.com/v2/url?u=https-3A__grasswiki.osgeo.org_wiki_Convert-5Fall-5FGRASS-5F6-5Fvector-5Fmaps-5Fto-5FGRASS-5F7&d=CwIGaQ&c=DsZY2bea7iNIzyp-7sZ0t0F2UfNQZUfZhEPCv_2wBI0&r=O31ltou6ygJL2Y01kQyNJJD2kiILIsbyz2V0Hn4lFUY&m=OBfSgl1s_aokN50AbM4hgIa8k--o2IlLBqyw5RqMUhE&s=oC4JyxynBdHD_R4xFz0sx_PQrQbEkquIEGJIHlwZqtk&e=
> I am (trying) to us v.build.all to update the topography.  I had installed
> GRASS with MSYS from OSGEO4W but that goodness uses the unix-like msys
> shell as the command console - which for what I need is perfect ... I can
> copy/paste commands to test as I write shell scripts to do GIS magic. BUT
> ... go ahead and try to run v.build.all ... and nope - it isn't going to
> let you. Ends up v.build.all (and many other modules) are Windows Batch
> files !! the msys command console won't run the GRASS modules that are
> Windows Batch files.  I was able to work around this a little issue by
> also installing just the regular GRASS 7.0.3 (they install in different
> directories) and run the v.build.all from the Windows cmd console (it is
> the standard command console that runs with "normal" 7.0.3 (not from
> OSGEO4W) but which won't run any of the code I put into a shell script
> because, well, it's unix shell not DOS - hence the need for msys)... I was
> going to drop a note to the OSGEO4W project about the issue but the same
> thing is part of the current (non-OSGEO4W) package ... look in \Program
> Files\GRASS GIS 7.0.3\bin\ and you'll see many executables (compiled
> python scripts I assume) and quite a few Windows Batch files.... why is
> this? Should they not all be compiled executables ??
> I don't understand this and it makes it really hard to create shell
> scripts to run the modules...
> Thanks,
> Chris
>
> Chris Bartolomei P.E.
> Engineer/Scientist
> ENSCO, Inc.

> bartolomei.chris@

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the exe files are compiled C/C++ modules.

the bat-files are starting wrapper files for python scripts living in
..\scripts.

These wrapper files are needed as winGRASS standalone/Osgeo4w uses its own
python stack and doesn't use the system wide python.

The scripts in .. \scripts are all python scripts in Grass7, this has
changed from grass6 to grass7. Therefore the starting scripts wrapper
bat-files in .. \bin which point to the scripts in .. \scripts by using the
right python interpreter (have a look into the bat-files).

-----
best regards
Helmut
--
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