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Path: sserve!manuel!munnari.oz.au!spool.mu.edu!uunet!mcsun!uknet!bcc.ac.uk!news From: ucacmsu@ucl.ac.uk (Mr Stephen R Usher) Newsgroups: comp.unix.bsd Subject: BSD 4.3 line printer input filter specification Message-ID: <1992Sep23.125203.28699@bas-a.bcc.ac.uk> Date: 23 Sep 92 12:52:03 GMT Sender: news@ucl.ac.uk (Usenet News System) Organization: Bloomsbury Computing Consortium, London Lines: 26 Could someone please tell me the specification of a line printer input filter. I've looked in all the SunOS manuals and they only describe output filters. The reason I need to know is so that I can complete such a filter which differenciates between standard text and postscript. If the text is postscript than it is passed through an interpreter and the resultant data sent on to the printer via the spooler. (The printer is a Brother Laser emulating a HP Laserjet II.) Currently, by just sending the data out via stdout I get nice blank bits of paper. :-) The current program works as an output filter, but only if there is no header. Thanks in advance. Steve PS. If you e-mail replies, send them to steve@earth.ox.ac.uk. -- Addresses:- JANET:- ucacmsu@uk.ac.ucl or steve@uk.ac.ox.earth (preferable) Internet:- ucacmsu@ucl.ac.uk or steve@earth.ox.ac.uk (preferable)