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1997-02-09
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39 lines
lpr RISC-OS Port
================
Known deviations from RFC1179
-----------------------------
1. lpr always sends the control file second.
2. The source port of the connection is allocated from the
auto allocate block in the normal way, as a result the source
port will never be in range 721-731 as spec'd by the RFC.
3. The range of job numbers produced is only 000 to 256.
4. No checking is made on the variable lpr$usr which is used for the
control file username, as a result that variable must not start
with a digit. If it does not exist it is set by lpr to 'root'.
Other points...
---------------
The control file only exists in memory during the execution of lpr.
The entries for the file come from the RISC-OS envoirment variables, as
such the the hostname is taken from the variable Inet$Hostname.
It is worth noting that the author is currently aware of a 'feature' in
the OS/2 Warp version on lpd, which means it will also print the 'control
file', when started without any switches, the useful switches are:-
/? - display usage details.
-b - only print banner if supplied by client (I never supply
a banner so this turn banners form us off).
-c - Don't Print control file. You'll probaly want to use this.
-s - only accept connections form port 721-731, you can't use
this option is your using this client.
--
Roger G Gammans
rgammans@compsurg.demon.co.uk