News Group Posts

printcap filters

Newsgroups: comp.unix.sco.misc
Subject: Re: SCO fixes filters with printcap
References: <63EJOnt5u9FldAMZE6XT7QYlmHLj@4ax.com> 
From: spcecdt@deeptht.armory.com. (John DuBois)
Message-ID: <DmoO5.238$34.11431@e420r-sjo3.usenetserver.com> 
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Date: Thu, 09 Nov 2000 02:55:31 GMT

In article <63EJOnt5u9FldAMZE6XT7QYlmHLj@4ax.com>,
Gary Quiring  <garyq@emcosales.com> wrote:
>For anyone that might be interested, five years later SCO has finally made
>an effort to fix filters with printcap in OpenServer.

I don't know the history of this before it was bugreported (about a year ago),
but it's worth noting that the problem here was a combination of doc bug and a
lacking in the Berkeley print daemon.  The man page for printcap erroneously
indicated that the output filter specified by 'of' has something to do with
lpfilter (it doesn't).  Meanwhile, the reason it didn't work for remote
printers is simply that there was absolutely no such support present in the
Berkeley lpd, at least not the version SCO started with - in it, output filters
could only be used with a local printer and were silently ignored for remote
printers.  It required substantial changes to add this support (rather than
simply fixing the man page to explain how output filters really work and note
that they are only for local printers).

        John
-- 
John DuBois  spcecdt@armory.com.  KC6QKZ/AE  http://www.armory.com./~spcecdt/

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