head -n $CUTOFF Steel_industry_data.csv | tail -n +2 | cut -d, -f8 --complement | shuf > steel_industry_data_shuffled.csv number_of_lines=$(wc -l steel_industry_data_shuffled.csv | awk '{print $1}') test_len=$((number_of_lines/10)) dev_len=$((number_of_lines/10)) head -n $test_len steel_industry_data_shuffled.csv > steel_industry_data_test.csv tail -n +$((test_len+1)) steel_industry_data_shuffled.csv | head -n $dev_len > steel_industry_data_dev.csv tail -n +$((test_len+dev_len+1)) steel_industry_data_shuffled.csv > steel_industry_data_train.csv rm steel_industry_data_shuffled.csv