/usr/share/eccodes/definitions/mars/grib.ewmo.fc.def is in libeccodes-data 2.6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | # assert(local=1)
meta verificationDate g1verificationdate(dataDate, dataTime, endStep) : read_only;
meta monthlyVerificationDate g1monthlydate(verificationDate) : dump,no_copy;
alias mars.date = monthlyVerificationDate;
alias mars.step = endStep;
meta verificationYear evaluate(verificationDate/10000);
meta monthlyVerificationYear evaluate(monthlyVerificationDate/10000);
meta verificationMonth evaluate( (verificationDate/100)%100 );
meta monthlyVerificationMonth evaluate( (monthlyVerificationDate/100)%100 );
# class 3 is "er" which is 15 year re-analysis (ERA15)
# Only ERA15 has time and step
if(class != 3) {
unalias mars.time;
unalias mars.step;
}
alias mars.number=perturbationNumber;
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