darren@linux:~$ ./clientlooker1
 select any option to execute:
 c or C: To connect Client to Server
 r or R: To make a read request
 s or S: I want to sort data
 g or G: Look for a certain word in a file
 e or E: quit
Enter your option and press <Enter>:q
./clientlooker1: line 10: syntax error near unexpected token `"$selection"'
./clientlooker1: line 10: `  switch ("$selection")'
darren@linux:~$

The Code is
echo " select any option to execute:"
echo " c or C: To connect Client to Server"
echo " r or R: To make a read request"
echo " s or S: I want to sort data"
echo " g or G: Look for a certain word in a file"
echo " e or E: quit"
echo -n "Enter your option and press <Enter>:"
set selection =   `head -1`

  switch ("$selection")
         case [cC]:
          echo  -n "enter server name" 
          set servername = `head -1`
          find  $servername
      breaksw

     case [rR]:

             cp
           echo  -n "enter server file to read content"
              set serverfile = `head -1`
      breaksw

     case [sS]:

             sort
             echo -n  "enter server file to sort"
             set serverfile1 = `head -1`
       breaksw 

      case [qQ]:

       exit 0

breaksw       

      default:

   case [qQ]:

   exit 0

   breaksw

  default:
echo " wrong option."
exit 1
breaksw
endsw
exit 0