system call exit status

[Bobby Kleemann]

~sdpm~
>From http://www.perl.com/pub/doc/manual/html/pod/perlfunc/system.html

You can check all the failure possibilities by inspecting $? like this: 

    $exit_value  = $? >> 8;
    $signal_num  = $? & 127;
    $dumped_core = $? & 128;

 _ _ _
 Bobby Kleemann <rkleeman at neta.com>
 http://www.neta.com/~rkleeman/

On Thu, 1 Jun 2000, jeff wrote:

> ~sdpm~
> How can I decode a non-zero exit status returned from the system
> function call?
> 
> I'm trying the following
> 
> my @unzip_system = ('unzip', '-d', $tmp, '-q', "$tmp/file.zip");
> if (system(@unzip_system)) {
>           carp "system (@unzip_system) failed ($?)";
>           system("rm -fr $tmp");
>           next;
> }
> 
> and getting the error...
> 
> system (unzip -d /tmp/unzip.20763 -q /tmp/unzip.20763/file.zip) failed
> (65280) at /prod/newsfeed/bin/get_news line 90
> 
> What does the number 65280 mean?
> 
> --
> Jeff Saenz
> jeff at planetoid.net
> 
> 
> ~sdpm~
> 
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~sdpm~

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This is the general rule for most mailing lists when you need
to contact a human.