raju CSE

while true;
do
echo "menu"
echo "1. copy file"
echo "2. remove file"
echo "3. move file"
echo "4. quit"
echo "5. enter your choice"
read choice
case "$choice" in
1)
  echo "entr file name to copy"
  read f1
  echo "enter file name"
  read f2
  if [ -f $f1]
  then
    cp $f1 $f2
  else
    echo "$f1 does not exist"
  fi
;;
2)
  echo "enter file to remove"
  read f1
   if [ -f $f1]
   then
     rm -i $f1
   else
     echo "$f1 does not exist"
   fi
;;
3)
  echo "enter file name to move"
  read f1
  echo "enter destination"
  read f2
  if [ -f $f1]
   then
    if [ -d $f2]
     then
        mv $f1 $f2
    else
        echo "$f1 does not exist"
  fi
;;
4)
  echo "exit"
  exit
;;
esac

done