d=$(dirname $0) cat $d/../snippets/1e100.txt \ | grep -oP '([a-z0-9]{3})(?=([a-z0-9]{5}\-in))' \ | sort -u \ | xargs -i sh -c "echo {}; $d/conv.py -i {}" \ | paste -d' ' - - \ | sort -k1 -u - $d/../data/iata.txt -o $d/../data/iata.txt
