Bash Script Not Exiting...
Broekman, Maarten
Maarten.Broekman at FMR.COM
Tue Jul 13 14:57:18 UTC 2010
### Prevent Ctrl-C from getting out of the menu to the command line
trap exit SIGINT
### Loop forever...or at least until told to exit
while [ /bin/true ]; do
clear
${ECHO}
${ECHO} "Choose what you would like to do"
${ECHO} " 1 - Change Password"
${ECHO} " 2 - Clear Print Queue"
${ECHO} " 3 - Stop Printer and Reject Jobs"
${ECHO} " 4 - Start Printer and Accept Jobs"
${ECHO} " 5 - Log out"
${ECHO} "Option: "
read ans
case $ans in
1) sudo /usr/bin/password2
;;
2) sudo /u/.scripts/printer
;;
3) sudo /u/.scripts/stopprinter
;;
4) sudo /u/.scripts/startprinter
;;
*) exit
;;
esac
done
With this you should be able to remove the 'continue' function within
each of the scripts. When the task is completed, the user should be
prompted with the original menu and they can switch tasks without ever
leaving the original .bash_profile.
--Maarten
> -----Original Message-----
> From: redhat-sysadmin-list-bounces at redhat.com
[mailto:redhat-sysadmin-
> list-bounces at redhat.com] On Behalf Of Lupo, Kelly
> Sent: Tuesday, July 13, 2010 9:50 AM
> To: 'redhat-sysadmin-list at redhat.com'
> Subject: Bash Script Not Exiting...
>
> I have a script planned for the Helpdesk to allow them to (on a
couple of
> RHEL 3 / RHEL 5 servers) reset passwords, stop / start printers, and
> clear print queues. The appropriate sudo permissions were given to
their
> accounts, and the individual functions all work just fine. The
ability to
> move between functions (after resetting a password, it asks if you
want
> to reset another yes/no/quit - no takes you back to the menu to
select
> another function), at least looks like it's working in that it does
let
> you go back to the main menu and select a different option.
>
> The problem is that if you move between functions and eventually go
to
> "quit", it just dumps you back into whatever the previous function
you
> picked was. (It *should* exit everything and actually close their ssh
> connection since they don't have access to the command line.) If you
then
> deal with whatever you selected previously (IE: to reset another
> password), and at the end, choose quit again, for as many times as
you
> switched functions, it will eventually close. (If you switched
functions
> 3x, you will have to quit 3x.)
>
> I suspect this might be because I broke the script up so I didn't
have to
> keep invoking the .bash_profile file every time they wanted to switch
> functions. (Can you even do that with all of the other variables and
such
> being set there? Should I be doing that?)
>
> I am very new to scripting, so this issue may also be due to how I'm
> actually scripting it... (Should be in a do-while loop, etc.) This is
the
> relevant parts of what I have.
>
> The .bash_profile:
>
> Code:
>
> # Choose activity
> #
> ${ECHO}
> ${ECHO} "Choose what you would like to do"
> ${ECHO} " 1 - Change Password"
> ${ECHO} " 2 - Clear Print Queue"
> ${ECHO} " 3 - Stop Printer and Reject Jobs"
> ${ECHO} " 4 - Start Printer and Accept Jobs"
> ${ECHO} " 5 - Log out"
> ${ECHO} "Option: "
> read ans
> case $ans in
> 1) sudo /usr/bin/password2
> exit
> ;;
> 2) sudo /u/.scripts/printer
> exit
> ;;
> 3) sudo /u/.scripts/stopprinter
> exit
> ;;
> 4) sudo /u/.scripts/startprinter
> exit
> ;;
> *) exit
> ;;
> esac
>
>
>
>
> The stopprinter, etc, scripts (all have the same lines but with a
> different echo output):
>
> Code:
>
> # Ask if they want to do another one
> echo
> echo -e "Would you like to disable another printer (y/n/q(uit)): "
> read ans
> case $ans in
> q|Q|quit) exit ;;
> n|N) /u/.scripts/continue ;;
> esac
>
>
>
> The continue script is the same as the .bash_profile, except instead
of
> ${ECHO} at the top, it just has echo...
>
> Any assistance would be greatly appreciated! I know they can just hit
> ctrl + c to get out of it, but I'd rather it worked cleanly and the
way
> it's supposed to...
>
> Thanks!
>
>
>
> Kelly Lupo | Jr. Network Engineer
> AllSector Technology Group
>
> ( T: 212.366.8488 F: 212.366.8422
> * klupo at allsector.com | www.allsector.com
>
>
> -----Original Message-----
> From: redhat-sysadmin-list-bounces at redhat.com
[mailto:redhat-sysadmin-
> list-bounces at redhat.com] On Behalf Of Lupo, Kelly
> Sent: Tuesday, July 13, 2010 9:20 AM
> To: 'redhat-sysadmin-list at redhat.com'
> Subject: RE: configuring a port number
>
> Don't forget to open it in the firewall!
>
>
>
> Thank you,
>
> Kelly Lupo | Jr. Network Engineer
> AllSector Technology Group
>
> ( T: 212.366.8488 F: 212.366.8422
> * klupo at allsector.com | www.allsector.com
>
>
> -----Original Message-----
> From: redhat-sysadmin-list-bounces at redhat.com
[mailto:redhat-sysadmin-
> list-bounces at redhat.com] On Behalf Of Ben
> Sent: Tuesday, July 13, 2010 5:36 AM
> To: redhat-sysadmin-list at redhat.com
> Subject: Re: configuring a port number
>
> On Tue, 13 Jul 2010, Chandrakant Reddy wrote:
>
> > Hi
> > I want to run an application on a particular port number. What
> > changes i have to make to my system to run that application.
>
> I think the best thing to do would be to change the port number in
your
> application to the one you want to use and restart it.
>
> Good luck with that.
>
> Ben
> --
> Unix Support, MISD, University of Cambridge, England Plugger of wire,
> typer of keyboard, imparter of Clue
> Life Is Short. It's All Good.
>
> --
> redhat-sysadmin-list mailing list
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>
>
>
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