wget -O test.tar.gz https://github.com/livedoor/datasets/blob/master/ldgourmet.tar.gz?raw=true[vagrant@localhost embulk]$ ls
test.tar.gz
[vagrant@localhost embulk]$ tar xvfz test.tar.gz
areas.csv
categories.csv
prefs.csv
ratings.csv
rating_votes.csv
restaurants.csv
stations.csv

