Shell Programming and Scripting

i="y"
echo "Enter name of database "
read db
while [ $i = "y" ]
do
clear
echo "1.Enter id "
echo "2.Display current dir"
echo "3.Listing the dir"
echo "4.Make a dir"
echo "5.Copy a file"
echo "6.Rename file"
echo "7.Delete file"
echo "8.Edit file"
echo "9.Shto regjistrim"
echo "10.Exit"
echo "Enter your choice"
read ch
case $ch in

1)echo "Enter id "
read id
grep -i "$id" $db;;
2)echo "Current Dir is : "
  pwd;;
  3)echo "Directories are"

    ls;;
    4)echo "Enter dir name to create"
     read d
             mkdir $d
                 echo $d" Dir is created";;
             5)echo "Enter filename from copy"
              read f1
               echo "Enter filenm2 to be copied"
                read f2
                    #cat $f1 > $f2
                        cp $f1 $f2
                            echo $f2" is copied from "$f1;;
                        6)echo "Enter file name to rename"
                         read f1
                          echo "Enter new name of file"
                           read f2
                                   mv $f1 $f2
                                       echo $f1" is renamed as "$f2;;
                                   7)echo "Enter any filenm to be delete"
                                    read f1
                                            rm $f1
                                                echo $f1" is deleted";;
                                            8)echo "Enter any file to be editing "
                                             read f1
                                                     vi $f1;;
9)echo "Enter the name"
read kdi
echo “$kdi” > dbkodi
cat dbkodi
echo "Enter the profesion:"
read tpi
echo ”$tpi” > dbtitulli
cat dbtitulli
echo "Enter the school "
read ept
echo “$ept” > dbemri_piktorit
cat dbemri_piktorit
echo "Enter the class"
read cmm
echo ”$cmm” >dbcmimi
cat dbcmimi
echo "$kdi $tpi $ept $cmm">>$db;;

                                                 10)echo "Have a nice time"
                                                 exit;;
                                                 *)echo "Invalid choice entered";;
                                                 esac
                                                 echo "Do u want to continue ? "
                                                 read i
                                                 if [ $i != "y" ]
                                                 then
                                                 exit
                                                 fi
                                                 done

.................................
.......................
read db
if [ -z "$db" ] ; then echo "DB name is empty!! " ; exit 1 ; fi
.................................
.......................
cp $f1 $f2
[ $? -eq 0 ] && echo "$f2 is copied from $f1";;
.................................
.......................
mv $f1 $f2
[ $? -eq 0 ] && echo "$f1 is renamed as $f2";;
.................................
.......................
rm $f1
[ $? -eq 0 ] && echo $f1" is successfully deleted";;
.................................
.......................

if [ $c != "y" ]
then
exit
fi
done

/bin/rm -f <dir_name/file_name> 2>> output.err 1>>output.log

........
esac
         echo "Do u want to continue ? "
         read c
if [ $c != "y" ]
then
exit
fi
done