<izabera> ` echo \'for file do mapfile -t lines < "$file"; for (( i = ${#lines[@]} -1; i >= 0; i-- )) do printf "%s\\n" "${lines[i]}"; done done\' >> bin/tac

file="bin/$1"; shift; cp bin/emptylist "$file"; for n in "$@"; do echo "$n" >> "$file"; done