Directory Management

echo " "
echo "----Directory Management----"
echo " "
ch=0 
while [ $ch -lt 6 ] 
do
	echo "Press the following to :"
	echo "1) Create a new directory."
	echo "2) Modify a directory."
	echo "3) Navigate into directory."
	echo "4) Listing directories."
	echo "5) Exit."
	read ch 

	case $ch in
	1) echo " "
	echo "---Creation of Directory---"
	echo " "
	echo "Enter the name of the directory:"
	read name 
	mkdir $name 
	;; 
	2) echo " "
	echo "---Modification of Directory---"
	echo " "
	echo "Enter the directory to be modified:"
	read orgdir 
	echo "Press the following to :"
	echo " "
	echo "1) Rename directory."
	echo "2) Copy directory to another."
	echo "3) Move directory."
	echo "4) Delete directory."
	echo "5) Exit from Modify Mode."
	read modch 

		case $modch in
		1) echo " "
		echo "---Rename a directory---"
		echo " "
		echo "Enter new name for the directory:"
		read newname 
		mv $orgdir $newname 
		;; 
		2) echo " "
		echo "---Copying a directory to another---"
		echo " "
		echo "Enter target directory:"
		read target 
		mkdir $target 
		cp $orgdir $target 
		;; 
		3) echo " "
		echo "---Moving a directory---"
		echo " "
		echo "Enter target directory:"
		read target 
		mkdir $target 
		mv $orgdir $target 
		;; 
		4) echo " "
		echo "---Deleting a directory---"
		echo " "
		rmdir $orgdir 
		;; 
		5) echo " "
		echo "---Exiting from modify mode---"
		echo " "
		exit
		;; 
		esac
	;; 
	3) 
	echo "---Navigation of Directory---"
	echo " "
	echo "Enter your choice for method of navigation :"
	echo "1) Go to Parent Directory. "
	echo "2) Navigate to specific directory."
	echo "3) Exit from Navigate Mode."
	read navch 
		
	case $navch in
		1) echo " "
		echo "---Parent Directory---"
		echo " "
		cd .. 
		pwd
		;; 
		2) echo " "
		echo "---Navigation to Specific Directory---"
		echo " "
		echo "Enter the target Path:"
		read path 
		cd $path 
		pwd
		;; 
		3) echo " "
		echo "---Exiting from Navigate Mode---"
		echo " "
		exit
		;; 
		esac
	;; 
	4) 
	echo "--- Listing of Directories---"
	echo " "
	echo "Enter your choice for method of listing :"
	echo "1) List of directories. "
	echo "2) List of directories and their details."
	echo "3) Exit from List Mode."
	read lisch 
		
	case $lisch in
		1) echo " "
		echo "---List of directories---"
		echo " "
		ls
		;; 
		2) echo " "
		echo "---Detailed List of directories---"
		echo " "
		ls -l 
		;; 
		3) echo " "
		echo "---Exiting from List Mode---"
		echo " "
		exit
		;; 
		esac
	;; 
	5)echo " "
	echo "---Exiting---"
	echo " "
	exit
	;; 
	esac
done