function sprehod {
	for file in "$1"/*; do
		name="$(basename "${file}")"
		st=$(echo "$name" | tr -d ' ' | tr -s '/' ' ' | wc -w)
		if (( $2 > 0 )); then
			iter=0
			((st--))
			if [ -d "${file}" ]; then
				while(( iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "DIR   $name"
				if [ "$2" -gt 0 ]; then
					sprehod "$file" $(($2-1)) $(($3+1))
				fi
			elif [ -b "${file}" ]; then
				while(( iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "BLOCK $name"
			elif [ -c "${file}" ]; then
				while(( iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "CHAR  $name"
			elif [ -f "${file}" ]; then
				while(( iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "FILE  $name"
			elif [ -p "${file}" ]; then
				while((iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "PIPE  $name"
			elif [ -S "${file}" ]; then
				while((iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "SOCK  $name"
			elif [ -L "${file}" ]; then
				while((iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "LINK  $name"
			elif [ -h "${file}" ]; then
				while((iter < $3 )); do
					echo -n "----"
					((iter++))
				done
				echo "LINK  $name"
			fi
		fi
	done
}

elif [ "$1" == "drevo" ]; then
	st=$(echo "/$2" | tr -d ' ' | tr -s '/' ' ' | wc -w)
	echo "$(/$2/*)"
	if [ -d  "/$2/" ]; then
		pot="/$2/"
		name="$(basename "${2}")"
		globina="${3:-3}"
		echo "DIR   $2"
		sprehod "$pot" $globina 1
	elif [ -b "/$2" ]; then
		echo "BLOCK $2"
	elif [ -c "/$2" ]; then
		echo "CHAR  $2"
	elif [ -p "/$2" ]; then
		echo "PIPE  $2"
	elif [ -h "/$2" ]; then
		echo "LINK  $2"
	elif [ -S "/$2" ]; then
		echo "SOCK  $2"
	elif [ -f "/$2" ]; then
		echo "FILE  $2"
	elif [ -L "/$2" ]; then
		echo "LINK  $2"
	fi
	exit 0