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Full Discussion: How to use loop to repeat task?
Homework and Emergencies Homework & Coursework Questions How to use loop to repeat task? Post 302868573 by Tauatioti on Monday 28th of October 2013 10:06:52 PM
Old 10-28-2013
Many thanks to you... you the man

Thanks again

Taati

---------- Post updated at 09:06 PM ---------- Previous update was at 07:56 AM ----------

Hi R.Singh

Could you help me on this problem to use loop or while to repeat the task for 2 times, the code as follows
Code:
shirt=15
black=13.50


echo "how many shirt you want"
read num
echo
echo "Please enter a choice"
echo "1 ---> normal shirt"
echo "2 ---> black shirt"
read choice
echo


if [ $choice = "1" ]; then
    price=`expr $num1 \* $shirt`
    echo "$num1 * $shirt = $price"


elif [ $choice = "2" ]; then
    answer=$(bc <<< "scale=2;$num*$black")
    echo "$num * $black = $answer"
else
    echo "Invalid option"
fi

Output code as follows

Code:
how many shirt you want
2

Please enter a choice
1 ---> normal shirt
2 ---> black shirt
1

2 * 15 = 30
ictadmin@ubuntu:~/Desktop$

what i want is how to use loop or while to repeat the task to 2 times, so it can allows me to enter again for choice number 2

Thanks
 

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LEARN ABOUT OPENSOLARIS

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 5.11							    5 Jun 2002							    echo(3XCURSES)
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