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Full Discussion: Using menu driven script
Top Forums Shell Programming and Scripting Using menu driven script Post 303012229 by knz on Wednesday 31st of January 2018 11:53:33 PM
Old 02-01-2018
Using menu driven script
Hi Team ,
I wrote a shell script for adding and subtracting two numbers am getting error could some one please help to fix it
script:
Code:
echo "Enter  1 to add:"

echo "Enter 2 to  sub:"


echo "Enter  3  for  both addition and subtraction :"
read ans;

 case "$ans" in

   1) echo "To  add  two numbers"
      echo "Enter the  value of  a :" ;;

     read a

      echo "Enter the value of b:"
     read b

     adding_numbers

   2) echo "To  sub  two numbers"
      echo "Enter the  value of  a :" ;;

      read a

      echo "Enter the value of b:"
       read b

      sub_numbers

  3) echo "To perform both addition and Subtraction"

     echo "Enter the  value of  a :" ;;

     read a

     echo "Enter the value of b:"
     read b

     adding_numbers &  sub_numbers

    *) echo "$ans is an invalid option. Choose between 1-2 only" ;

error am getting is:

Code:
1
combo.sh: line 33: syntax error near unexpected token `a'
combo.sh: line 33: `     read a'

Last edited by Don Cragun; 02-01-2018 at 01:16 AM.. Reason: Add CODE tags.
 

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LEARN ABOUT SUNOS

echo

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib 
       -R /usr/xpg4/lib -lcurses [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.10							    5 Jun 2002							    echo(3XCURSES)
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