Quit Function Issues Post: 302310549

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Top Forums Shell Programming and Scripting Quit Function Issues Post 302310549 by warlock129 on Saturday 25th of April 2009 02:50:46 PM

04-25-2009

Registered User

Quit Function Issues

Hi everyone,

I am writing a small menu driven program and have come across a problem i am having trouble solving. I am using Windows XP and i am developing this in the Unix Bash shell. I am trying to make it possible to exit the program from each of the five main interfaces. The code is as shown below:

Code:

#!/bin/bash
#Filename: Assigntest Author: Luke Francis
quit=n
while [ "$quit" = "n" ]
do
clear
echo "OPERATOR ADMINISTRATIVE TOOL"
echo "1. User Information"
echo "2. Network Connectivity"
echo "3. Processes"
echo "4. System Information"
echo "5. Hardware Utilization"
echo "Q. Quit"
echo
echo "Which option do you require?"

read menunumber
case $menunumber in
1)clear
echo "USER INFORMATION"
 echo "1. Registered Users"
 echo "2. Disk Usage"
 echo "3. Last Logins"
 echo "4. Users Currently Logged In"
 echo "5. Total number of users"
 echo "Q. Quit"

echo "Which option do you require?"

read menunumber2
case $menunumber2 in

1)clear
echo "The users registered on the system are:"
echo
awk -F: '{print $1}' /etc/passwd
echo
echo "Hit the Enter Key to continue"
read junk;;

2)clear
echo "Disk Usage is as follows:"
echo
du
echo
echo "Hit Enter Key to continue"
read junk;;

3)clear
echo "Information on last noted login can be found next to each username."
echo
last
echo
echo "Hit Enter Key to continue"
read junk;;

4)clear
echo "Users currently logged in are:"
echo
 w
echo
echo "Hit Enter Key to continue"
read junk;;

5)clear
echo "The total number of users are:"
echo
 who -q
echo
echo "Hit Enter Key to continue"
read junk;;

Q|q)clear
echo "Are you sure you want to quit? Y/N"
read choice1
case $choice1 in
N|n)clear
echo "Hit Enter Key to continue"
read junk;;

Y|y)quit=y;;
*)clear
sleep 1
esac
esac
esac
done
clear
echo "Thank you for using the Operator Administrative Tool"

My quit command at the bottom (code after Q|q) ) works fine but i am trying to apply it to my main menu (after "OPERATOR ADMINISTRATIVE TOOL") where and how within my code shall i go about doing this?

I'd be really grateful for some help. thanks

warlock129

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echo

echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME

       echo - echo arguments to standard output

SYNOPSIS

       /usr/ucb/echo [-n] [argument]

DESCRIPTION

       echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output.

       echo  is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi-
       ronment variables.

       For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows:

	   o	  echo your current-working-directory's full pathname

	   o	  pipe the output through tr to translate the path's embedded slash-characters into space-characters

	   o	  pipe that output through wc -w for a count of the names in your path.

		    example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w"

       See tr(1) and wc(1) for their functionality.

       The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be  invoked	if
       the  user  calls  echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape
       characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the  black-slashed  escape  characters,	and  ksh's
       echo() also understands a as the audible bell character; however, these commands do not have an -n option.

OPTIONS

       -n    Do not add the NEWLINE to the output.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5)

NOTES

       The -n option is a transition aid for BSD applications, and may not be supported in future  releases.

SunOS 5.11							    3 Aug 1994								  echo(1B)