If it helps, I get the exact same error. Once I use Schedule::Cron, $Info comes back as undefined. Must be something that conflicts between those two modules.

The eval doesn't help, btw. I assume you put it in to help debug, but the problem is prior to these lines.

I'll keep trying things out, and let you know if I have any luck.

Update: It seems that use'ing Schedule::Cron sets $SIG{CHLD}. This seems to be interfering with the Ifconfig module. I'd say it's a bug in the ifconfig module, the Schedule::Cron module, or both -- but here's a workaround.

Save the old value of $SIG{CHLD}, then call Ifconfig, then restore $SIG{CHLD}. Or, get rid of the use line, and 'require' it below this call.

my $oldsigchld = $SIG{CHLD};
$SIG{CHLD} = 'DEFAULT';
# get info for all interfaces                                         
+                                                              
my $Info = Net::Ifconfig::Wrapper::Ifconfig('list', '', '', '');
$SIG{CHLD} = $oldsigchld if(defined $oldsigchld);
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# get info for all interfaces                                         
+                                                              
my $Info = Net::Ifconfig::Wrapper::Ifconfig('list', '', '', '');
require Schedule::Cron;
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~J

Thanks, Think you've got it !
I'd the same problem without the Net::Ifconfig::Wrapper if i use :


sub getifip {
    my $ip = '0.0.0.0';
    open(README,"/sbin/ifconfig $_[0] 2>&1 |");
    while (<README>) { 
        if ( /ad\w*:(\d+\.\d+\.\d+\.\d+)\s.*/ ) {$ip=$1}
    }
    close(README);
    #&slog("$_[0] has ip $ip","getifip");
    return $ip;
}
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i had the same problem in a program that forks. So i think bug is definitely in the Schedule::Cron module
I'll try your workaround.
Thanks a lot.
Regards
Beav

So finally, to avoid Schedule::CRon to install his REAPER wich prevent ifconfig to run, i use require Schedule::Cron in a child and ifconfig in another, so that each has his own SIG{CHLD} handler.
works great...
thanks all