dataset_operation() {
    tail -n +2 all_games.csv | shuf > all_games.csv.s
    head -n $CUTOFF all_games.csv.s > ./all_games.csv.shuf
    len1=$(cat ./all_games.csv.shuf | wc -l)
    len2=$(($len1/10))
    len3=$(($len2*2))
    len4=$(($len3+1))
    head -n $len2 all_games.csv.shuf > all_games.test.csv
    head -n $len3 all_games.csv.shuf | tail -n $len2 > all_games.dev.csv
    tail -n +$len4 all_games.csv.shuf > all_games.train.csv
    cp all_games.csv /dane/all_games.csv
    wc -l all_games.csv.*
}

kaggle datasets download -d deepcontractor/top-video-games-19952021-metacritic
unzip top-video-games-19952021-metacritic.zip
dataset_operation
ls -al