You can use the grib_dump command with the "-D" option: |
You can use the grib_dump command with the "-D" option:
% grib_dump -D my.index |
And the output will look something like this:
***** FILE: my.idx GRIB File: data/tigge_cf_ecmwf.grib2 GRIB File: data/tigge_af_ecmwf.grib2 Index keys: key name = mars.date values = 20070122, 20060630, 20060623, 20060811, 20060619 key name = mars.stream values = enfo, oper key name = mars.type values = cf, fc key name = mars.step values = 96, 0 key name = mars.param values = 228039, 228139, 133, 189, 168, 121, 122, 167, 147, 176, 177, 134, 146, 130, 228164, 136, 228228, 131, 132, 0 key name = mars.levtype values = sfc, pl, pv, pt key name = mars.levelist values = undef, 925, 2, 320 key name = mars.number values = 0, undef Index count = 8 |
You can see which GRIB files were used to build that index as well as the keys and their values. In the above example the keys belonged to the "mars" namespace.
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