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NAME

g.md5sum

DESCRIPTION

g.md5sum is a utility script that creates a checksum hash for a given raster, vector, raster3d map, or a database which is connected to a vector map.

This module is intended to be used as part of the GRASS Test Suite to ensure that code changes do not alter module output unexpectedly.

NOTES

The operation is performed by exporting the map with the appropriate *.out.ascii module and piping the result into the md5sum program, which must be installed. Databases connected to vector maps also have their table column defintion included as part of the hash.

TODO

Add a layer= option for type=database?
More detained description of database columns. (does that matter as long as the stored data is the same? e.g. do we care if the DB backend is different?)

SEE ALSO

The GRASS test suite. [insert URL here]
GRASS QA wiki

AUTHOR

Hamish Bowman, Dunedin, New Zealand

Last changed: $Date$


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