sub cmd_wrapper {
    my $cmd  = shift;

    # CASE: Called in list context
    if( wantarray() ) {
        my @out; 
        eval { 
            local $SIG{ALRM} = sub { die "alarm\n" };
            alarm 15;  # Give the command 15 seconds to return
            @out = `$cmd`; 
            alarm 0;
        };
        return @out;
    }
    # CASE: Called in scalar context
    else {
        my $out; 
        eval { 
            local $SIG{ALRM} = sub { die "alarm\n" };
            alarm 15;  # Give the command 15 seconds to return
            $out = `$cmd`; 
            alarm 0;
        };
        return $out;
    }
}