[Gambas-user] How prevent application from opening twice

[Stefano Palmeri]

Il mercoledì 22 aprile 2009 17:57:24 Jussi Lahtinen ha scritto:
> Hi!
>
> I have looking for code to do that also... but your code doesn't work with
> me. It always finds two instances of my program;
> 1. the program it self
> 2. sh -c pgrep -f -l ProgramName  (option -l is just for debugging, it
> doesn't matter)
>
> This happens with Gambas 2.10 at Ubuntu 8.10 64bit.
>
> This did NOT fix the problem:
> SHELL "pgrep -f -l " & Application.Args[0] WAIT TO sShellOutput
>
> But this works:
> Exec ["pgrep", "-f", "-l", Application.Args[0]] To sShellOutput
>
> And just for case:
> Exec ["pgrep", "-f", "-l", Application.Args[0]] Wait To sShellOutput
>
> So, just to warn, and thanks for idea!
>
>
> Jussi
>

Oh, well. Thanks for warning. Maybe your machine is faster than mine and 
pgrep is able to catch sh -c pgrep. Yes, using EXEC is better.

Stefano








> On Wed, Apr 22, 2009 at 14:47, Siti Fatimah <sfatimah99 at ...43...> wrote:
> > Thank's Stefano ..for ur quick response. It really worked....
> >
> > Best Regards,
> > sfatimah
> >
> > --- Pada Rab, 22/4/09, Stefano Palmeri <rospolosco at ...152...> menulis:
> >
> >
> > Dari: Stefano Palmeri <rospolosco at ...152...>
> > Topik: Re: [Gambas-user] How prevent application from opening twice
> > Kepada: "mailing list for gambas users"
> > <gambas-user at lists.sourceforge.net> Tanggal: Rabu, 22 April, 2009, 4:19
> > AM
> >
> > Il mercoledì 22 aprile 2009 13:11:59 Siti Fatimah ha scritto:
> >> Hi all,
> >> I need to prevent my program from opening twice. Is there a  best method
> >> to determine whether a program has already run ?
> >>
> >> Thanks.
> >> sfatimah
> >
> > I use this:
> >
> > DIM sShellOutput as String
> > SHELL "pgrep -f -U " & User.Name & " " & Application.Args[0] TO
> > sShellOutput
> >
> >    IF Split(Trim$(sShellOutput), "\n").Count > 1 THEN
> >
> >      'already running
> >      'take action here
> >
> >    ENDIF
> >
> > This check for the user. If you want to check system
> > wide, do:
> >
> > SHELL "pgrep -f " & Application.Args[0] TO sShellOutput
> >
> > Bye,
> >
> > Stefano
> >
> >>       Berselancar lebih cepat. Internet Explorer 8 yang dioptimalkan
> >> untuk Yahoo! otomatis membuka 2 halaman favorit Anda setiap kali Anda
> >> membuka browser. Dapatkan IE8 di sini!
> >> http://downloads.yahoo.com/id/internetexplorer
> >> ------------------------------------------------------------------------
> >>--- --- Stay on top of everything new and different, both inside and
> >> around Java (TM) technology - register by April 22, and save
> >> $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco.
> >> 300 plus technical and hands-on sessions. Register today.
> >> Use priority code J9JMT32. http://p.sf.net/sfu/p
> >> _______________________________________________
> >> Gambas-user mailing list
> >> Gambas-user at lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/gambas-user
> >
> > -------------------------------------------------------------------------
> >----- Stay on top of everything new and different, both inside and
> > around Java (TM) technology - register by April 22, and save
> > $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco.
> > 300 plus technical and hands-on sessions. Register today.
> > Use priority code J9JMT32. http://p.sf.net/sfu/p
> > _______________________________________________
> > Gambas-user mailing list
> > Gambas-user at lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gambas-user
> >
> >
> >
> >      Berselancar lebih cepat. Internet Explorer 8 yang dioptimalkan untuk
> > Yahoo! otomatis membuka 2 halaman favorit Anda setiap kali Anda membuka
> > browser. Dapatkan IE8 di sini!
> > http://downloads.yahoo.com/id/internetexplorer
> > -------------------------------------------------------------------------
> >----- Stay on top of everything new and different, both inside and
> > around Java (TM) technology - register by April 22, and save
> > $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco.
> > 300 plus technical and hands-on sessions. Register today.
> > Use priority code J9JMT32. http://p.sf.net/sfu/p
> > _______________________________________________
> > Gambas-user mailing list
> > Gambas-user at lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gambas-user
>
> ---------------------------------------------------------------------------
>--- Stay on top of everything new and different, both inside and
> around Java (TM) technology - register by April 22, and save
> $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco.
> 300 plus technical and hands-on sessions. Register today.
> Use priority code J9JMT32. http://p.sf.net/sfu/p
> _______________________________________________
> Gambas-user mailing list
> Gambas-user at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gambas-user