ncdump produces a human-readable text representation of a netCDF file (CDL or NcML). It has lots of options.
ncdump [-c|-h] [-v ...] [[-b|-f] [c|f]] [-l len] [-n name] [-p n[,n]] [-x] [-k] [-s] [-t] file [-c] Coordinate variable data and header information [-h] Header information only, no data [-v var1[,...]] Data for variable(s) var1,... only [-b [c|f]] Brief annotations for C or Fortran indices in data [-f [c|f]] Full annotations for C or Fortran indices in data [-l len] Line length maximum in data section (default 80) [-n name] Name for netCDF (default derived from file name) [-p n[,n]] Display floating-point values with less precision [-k] Output kind of netCDF file [-x] Output XML (NcML) instead of CDL [-s] Output special (virtual) attributes [-t] Output time data as ISO date-time strings file Name of netCDF file