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3.3.2 Inquiry in Fortran 77

First use NF_INQ, which will tell you how many variables and global attributes there are in the file. Then start with varid 1, and proceed to varid nvars, calling NF_INQ_VAR.

For a typical sequence of calls to these functions see Reading a netCDF Dataset with Unknown Names.

NF_INQ. Find number of dimensions, variables, and global attributes, and the unlimited dimid.


NF_INQ_DIM. Find dimension name and length.


NF_INQ_VARID. Find variable ID from its name.


NF_INQ_VAR. Find variable name, type, num dimensions, dim IDs, and num attributes.


NF_INQ_DIMID. Find dimension ID from its name.


NF_INQ_DIM. Find dimension name and length.


NF_INQ_ATT. Find attribute name, type, and length.


NF_INQ_FORMAT. Find file format: classic or 64-bit offset


NF_INQ_LIBVERS. Find the netCDF version. (Currently 3.6.2).