#/bin/bash . ./colors.sh for ((i=1; i<16; i++)); do type=$(($i % 3 + 1)) maidroid_type="img/maidroid_type${type}.png" output="../maidroid/models/maidroid_maidroid_mk${i}.png" color=${arr[i]} convert +level-colors $color,White img/maidroid_hair.png img/maidroid_hair_tmp.png composite img/maidroid_hair_tmp.png $maidroid_type $output rm img/maidroid_hair_tmp.png done