 case  :

case - in
-1)
-1

! !

-2)
-2

-3)
-3



  case    - , 
.      letter.   -
  ,   ,    . -
      case,    . 
 -    ,   ,  
 .  (*)      
" "   ,       . 
-      ,     (*)  ,
   ,    esac,   case 
  .     easel ,
     .  -    
   (       case)  
,    ,   :

$ cat easel

echo -n "  ,   : "

read letter

case "$letter" in

A)

echo "  "
/1

B)

echo "  "
} 'I

C)

echo "  "

*)

echo "He      ,   "
} I
esac

$ easel

  ,   : 

  

$ easel

  ,   : 

      ,   

 28.   Bourne Again Shell                                889