Inspect remote files

[pmav99]

For example:

$ inspectds http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis/surface/air.sig995.2020.nc

Should output something like this:

<xarray.Dataset> Size: 62MB
Dimensions:  (lat: 73, lon: 144, time: 1464)
Coordinates:
  * lat      (lat) float32 292B 90.0 87.5 85.0 82.5 ... -82.5 -85.0 -87.5 -90.0
  * lon      (lon) float32 576B 0.0 2.5 5.0 7.5 10.0 ... 350.0 352.5 355.0 357.5
  * time     (time) datetime64[ns] 12kB 2020-01-01 ... 2020-12-31T18:00:00
Data variables:
    air      (time, lat, lon) float32 62MB ...
Attributes:
    Conventions:                     COARDS
    title:                           4x daily NMC reanalysis (2014)
    history:                         created 2017/12 by Hoop (netCDF2.3)
    description:                     Data is from NMC initialized reanalysis\...
    platform:                        Model
    dataset_title:                   NCEP-NCAR Reanalysis 1
    _NCProperties:                   version=2,netcdf=4.6.3,hdf5=1.10.5
    References:                      http://www.psl.noaa.gov/data/gridded/dat...
    DODS_EXTRA.Unlimited_Dimension:  time