cut -f2- -d\; calories.csv >calories-druhyadal.csv; paste -d-\; /dev/null /dev/null calories-druhyadal.csv >calories.csv
cut -f1 -d: /etc/passwd >prvni; cut -f3 -d: /etc/passwd >treti; paste -d: treti prvni
tail -n +2 <ip-by-country.csv | cut -f6 -d "," | tr -d \" | sort | uniq | wc -l