> I'm writing a SYSV LP script in PHP so that I can have a
> print-to-database (MySQL) solution. First question: Am I wasting my
> time? Are there already canned solutions? (LPRng perhaps?)
I think you could just exec() it...
exec("/usr/bin/lp $blah", $output, $error);
while (list(,$line) = each($output)){
echo $line, "<BR>\n";
}
if ($error){
echo "OS Error $error. Usually path/permissions, but with a printer
involved...<BR>\n";
}
Or maybe I'm not reading enough into the phrase print-to-database, and
you're doing something horribly more complicated than I think...
> Second question: How do I go about opening file descriptors by
> numeric referance? (LP calls script with file descriptors for passing back
> debug and status info).
You mean like this?
$printer = fopen("/dev/3", "r");
I dunno what number your OS assigns to the printer, but 3 probably isn't
it...
There's also PHP constants for stdin, stdout, and stderr, and there just
might be one for the printer, though I've never noticed it.
> Third question: How do I trap a signal (SIGTERM specifically) in a
> PHP script?
Maybe, maybe, maybe...
The socket() stuff will let you do that...
http://php.net/manual/en/ref.sockets.php
> Obviously, I have the latest PHP compiled as a CGI with native MySQL
> support. My OS environ is Solaris 7.
You may need to recompile with the socket stuff, which I think is optional.
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