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Comment: ecCodes potentially disruptive changes

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Potentially disruptive changes in ecCodes

It is worth highligting a number of changes in ecCodes that could have an impact in specific user workflows:

  • The GRIB2 representation of parameter 238 (Temperature of snow layer - tsn) has been modified. See the new encoding here: https://apps-test.ecmwf.int/codes/grib/param-db/?id=238
  • The command "codes_info -v" no longer outputs a trailing space. Some user scripts may need to be modified.
  • grib_get_data output is slightly modified: Words on the first line are now separated by spaces not commas.
  • The tools now check that the output file is not the same as the input to avoid overwriting/corrupting the source.
  • The MARS keys levtype and levelist have been removed from the GRIB2 templates 4.53 and 4.54.

A lot of other bugfixes and improvements

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