The two progams are intended to display the content of files using the HDFS API:
display_csv: We display the year and height of each tree of a csv file describing the amazing trees of Paris.
The input looks like the following:
GEOPOINT;ARRONDISSEMENT;GENRE;ESPECE;FAMILLE;ANNEE PLANTATION;HAUTEUR;CIRCONFERENCE;ADRESSE;NOM COMMUN;VARIETE;OBJECTID;NOM_EV,,,,,
(48.857140829,2.29533455314);7;Maclura;pomifera;Moraceae;1935;13.0;;Quai Branly,avenue de La Motte-Piquet,avenue de la Bourdonnais,avenue de Suffren;Oranger des Osages;;6;Parc du Champs de Mars,
(48.8685686134,2.31331809304);8;Calocedrus;decurrens;Cupressaceae;1854;20.0;195.0;Cours-la-Reine,avenue Franklin-D.-Roosevelt,avenue Matignon,avenue Gabriel;Cèdre à encens;;11;Jardin des Champs Elysées,
and the ouput:
Displaying output of arbres.csv
Year: 1935, Height: 13.0
Year: 1854, Height: 20.0
Year: 1862, Height: 22.0
...
display_compact: We display the USAF code, the name, the country (FIPS country ID) and the elevation of each station for this data from the National Oceanic and Atmospheric Administration (NOAA).
Here are some lines taken from the output:
...
USAF_code: 999999, Name: FORT CAMPBELL AAF, Country_ID: US, Elevation: +0174.7
USAF_code: 999999, Name: LOCKBOURNE, Country_ID: US, Elevation: +0226.8
USAF_code: 999999, Name: ALBANY NAVAL AIR STN, Country_ID: US, Elevation: +0066.1
USAF_code: 999999, Name: GREENVILLE DONALDSON AFB, Country_ID: US, Elevation: +0298.1
USAF_code: 999999, Name: COLUMBUS AAF, Country_ID: US, Elevation: +0066.8
...