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Calling a global from a global???

May 19, 2008, 2:37 AM
EZFrag
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May 19, 2008, 2:37 AM
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Calling a global from a global???
Hi there Wink

I have searched on google and through the forums for this one.
Is it possible to call one global from another eg.

Code:

global1 sub { return "hehe"; }

global2 sub {return global1;}

When I try this, the template I use <%global2%> in, complains that global1 doesn't exist...Frown

Thanks.

Sacrifice is not about what you lose,
it is about what you gain in the process.
May 19, 2008, 3:30 AM
Andy
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May 19, 2008, 3:30 AM
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Re: [EZFrag] Calling a global from a global??? In reply to
Hi,

Only way I know of how to do it (appart from putting into the Custom.pm file and calling with Custom::func_name()), is to do like so:

Code:
sub {

my $val = other_sub_inside();

sub other_sub_inside {
# do something here
}

}

Hope that helps.

Cheers

Andy (mod)
andy@ultranerds.co.uk

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May 19, 2008, 3:46 AM
EZFrag
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May 19, 2008, 3:46 AM
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Re: [Andy] Calling a global from a global??? In reply to
Ok, thanks Andy Smile

Sacrifice is not about what you lose,
it is about what you gain in the process.
May 21, 2008, 1:41 AM
Wychwood
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May 21, 2008, 1:41 AM
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Re: [EZFrag] Calling a global from a global??? In reply to
You can load the globals file, ie:

Code:
sub {
local $@;
my $globals = do "/path/to/globals.txt" or return "Unable to load globals: $!";
my $out = eval "$globals->{your_other_global}";
return $out->() if (! $@ && ref($out) eq 'CODE') ;
return "Compilation of global failed: $@";
}

The globals file may already be stored in memory so you may not need to load it - there might be a global variable holding it somewhere. I've not checked.

Last edited by:

Wychwood: May 21, 2008, 1:42 AM