[NCO] management attribute (add, modify …)

my one of most favorite tool for handling NetCDF data.

Form:

ncatted -a att_nm, var_nm, mode, att_typ, att_val in.nc [out.nc]

for mode: a=append, c=create, d=delete, m=modify, o=overwrite

for att_typ: f=float, d=double, l=long, s=short, c=character, b=byte, i=integer

 

6) For files to be intelligently handled by the Live Access Software, a file needs to have the following defined: units, long_name, and title. In addition, I like to put in an extended history variable.

ncatted -O -a units,air,c,c,"units goes here" filename.nc

where “-a” is followed by “attribute name, variable name, mode (append, create, delete, modify, overwrite), attribute variable type (float, character, …), attribute value”

ncatted -O -a long_name,air,c,c,"long_name goes here" filename.nc
ncatted -O -h -a title,global,o,c,"title goes here" filename.nc
ncatted -O -h -a history,global,o,c,'history goes here' filename.nc
“\n” (no quotes) can be used to put in a carriage return.

 

from 12(PDF)3

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