polls: mkdir -p data/polls # cd data/polls && wget https://projects.fivethirtyeight.com/polls/data/president_polls.csv cat data/polls/president_polls.csv | awk -F, 'NR==1 {print; next} $$13 != ""' > data/polls/president_polls_state.csv # cd data/polls && awk -F, 'NR == 1 || $13 != ""' president_polls.csv > president_polls_state.csv