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Re: [amibroker] Re: Global variables



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Exactly ... That's how I use it ...  but it is not working reliably

Ara
----- Original Message ----- 
From: "Graham" <kavemanperth@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Wednesday, November 02, 2005 6:26 PM
Subject: Re: [amibroker] Re: Global variables


> If I want to use a variable that is defined within a function or
> procedure I first define it as a globla variable within the function
> or procedure. it is then available within the AFL after that function
> or procedure has been called
>
> On 11/3/05, Chuck <cstangor232@xxxxxxxxxxxxxxxxxx> wrote:
> > According to the help manual, this is how global and local variables
relate
> > to functions (depends on where they are first defined):
> >
> > If given identifier appears first INSIDE function definition - then it
is
> > treated as LOCAL variable.
> > If given identifier appears first OUTSIDE function definition - then it
is
> > treated as GLOBAL variable.
> >
> >
> > ----- Original Message -----
> > From: "Ara Kaloustian" <ara1@xxxxxxxxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Wednesday, November 02, 2005 12:12 PM
> > Subject: Re: [amibroker] Re: Global variables
> >
> >
> > > Barry
> > >
> > > this is getting confusing ...
> > >
> > > Globals defined as such within a function seem available globally ...
but
> > > as
> > > I indicated earlier... not reliably.
> > >
> > > According to the help files, there is no distinction between globals
> > > defined
> > > within functions and variables initialized outside of functions.
> > >
> > > Where did you see the distinction you mentioned?
> > >
> > > Hope this thread resolves the "mystery" of globals.
> > >
> > >
> > > Ara
> > >
> > > ----- Original Message -----
> > > From: "Barry Scarborough" <razzbarry@xxxxxxxxxxxx>
> > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > Sent: Wednesday, November 02, 2005 8:54 AM
> > > Subject: [amibroker] Re: Global variables
> > >
> > >
> > >> Global variables defined withing a function are scoped to that
> > >> function and all the sub functions within that function. But once
> > >> you call outside that function the variable is not available. If you
> > >> want the variable to be global it has to be in a global scope,
> > >> outside of the functions that will use it. Declare it at the top of
> > >> your code and it will have global scope as you mentioned. Otherwise
> > >> pass it as a parameter. This is much safer. You have to be careful
> > >> when using globals because anyone can change a global anytime and
> > >> anywhere, darn hard to debug if that happens. If that is OK then
> > >> make it global.
> > >>
> > >> I would have to look at your code to see what you are doing.
> > >>
> > >> Barry
> > >>
> > >>  --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@xxxx>
> > >> wrote:
> > >> >
> > >> > I have had some problems with defining globals within a function.
> > >> >
> > >> > Globals defined withing a function are not always available to
> > >> code later on. In one situation, a global defined within a prior
> > >> function and used in an indicator, was not available to some copies
> > >> of the indicator and was available to some others where the
> > >> indicator was used multiple times in same instance, but on different
> > >> panes.
> > >> >
> > >> > If I initialize the variable at the beginning of the program, it
> > >> is automatically a global and always works reliably.
> > >> >
> > >> > Anyone with similar issues?
> > >> >
> > >> > Ara
> > >> >
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> Please note that this group is for discussion between users only.
> > >>
> > >> To get support from AmiBroker please send an e-mail directly to
> > >> SUPPORT {at} amibroker.com
> > >>
> > >> For other support material please check also:
> > >> http://www.amibroker.com/support.html
> > >>
> > >>
> > >> Yahoo! Groups Links
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > > Please note that this group is for discussion between users only.
> > >
> > > To get support from AmiBroker please send an e-mail directly to
> > > SUPPORT {at} amibroker.com
> > >
> > > For other support material please check also:
> > > http://www.amibroker.com/support.html
> > >
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Cheers
> Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I write AFL code to your requirements
> http://e-wire.net.au/~eb_kavan/ab_write.htm
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
>
>
>
>
>



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