Vaclav, That's very cool -- nice way of doing this!
Best, Tom On Wed, Jun 3, 2015 at 8:44 PM, Vaclav Petras <wenzesl...@gmail.com> wrote: > Hi all, > > I'm happy to announce new command line interface of the `grass` program > [1, 2] available in trunk. > > Certainly you already know that you can start GRASS GIS session in the > specified Location and Mapset in the following way: > > grass71 .../grassdata/location/mapset/ > > The new interface adds `--exec` flag for specifying a command which will > be executed inside that GRASS session: > > grass71 .../grassdata/location/mapset/ --exec r.univar map=elevation > > This starts GRASS session, executes whatever command is specified after > `--exec` flag and then ends showing the (text) output of the module as if > the module would be executed manually in the GRASS session. And example > showing this in combination with r.external to get the data into the Mapset > is in the documentation [3]. > > This interface is meant to remove the need for lengthy manual setup of > environmental variables followed by execution of GRASS modules in the > mock-up GRASS session [4]. The idea is to use correct GRASS session > maintained by `grass` program which means that any GRASS-related code must > be passed to the `grass` program as opposed to direct execution in the > former case. > > The interface can run any module or custom script with or without > parameters. GUI tools including g.gui [5] can be called as well which opens > new possibilities for application developers. > > The interface is the first implementation and currently is fully > operational only on Linux and similar systems but it benefits from a lot of > stable code which was already in place. Try it out and feel free to comment > here, on grass-dev or in the related ticket [6]. There is definitively many > potential improvements and it would be great to know what the community > demands. > > Vaclav > > [1] https://trac.osgeo.org/grass/changeset/65252 > [2] https://trac.osgeo.org/grass/changeset/65294 > [3] > http://grass.osgeo.org/grass71/manuals/grass7.html#exec-interface-example > [4] > http://grasswiki.osgeo.org/wiki/Working_with_GRASS_without_starting_it_explicitly > [5] https://trac.osgeo.org/grass/changeset/65306 > [6] https://trac.osgeo.org/grass/ticket/2579 > > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user > -- Thomas E Adams, III 718 McBurney Drive Lebanon, OH 45036 1 (513) 739-9512 (cell)
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