[rancid] custom command, need help with pipe

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Hello. I'm trying to write a custom command to store the output of
'show int status | inc trunk'. It seems to work OK without the pipe
and "inc trunk", so I assume something is eating the pipe (|)
character. How should I escape it properly?

This is what I have, and it isn't working (missed cmd(s)).. can
somebody point me in the right direction?


{'show int status | inc trunk'  => 'ShowIntTrunk'},


sub ShowIntTrunk {
    print STDERR "    In ShowIntTrunk: $_" if ($debug);
    my($lines) = 0;

    while (<INPUT>) {
        tr/\015//d;
        last if (/^$prompt/);
        next if (/^(\s*|\s*$cmd\s*)$/);
        return(1) if /Line has invalid autocommand /;
        return(1) if /(Invalid input detected|Type help or )/;
        return(-1) if (/command authorization failed/i);
        # the pager can not be disabled per-session on the PIX
        if (/^(<-+ More -+>)/) {
            my($len) = length($1);
            s/^$1\s{$len}//;
        }

        /^No matching debug flags set$/ && next;
        ProcessHistory("COMMENTS","keysort","J1","!TRUNK: $_");
        $lines++;
    }
    if ($lines) {
        ProcessHistory("COMMENTS","keysort","J0","!\n");
    }
    return(0);
}


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