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Article #4985

Re: How can I tell if a file is "postscript"

#4985
From: Glenn Reid
Date: Tue, 12 Mar 1991 08:22
26 lines
1633 bytes
A couple of very minor details, for the curious and intrepid:

In article <Qbr2bdK00VQs40k49S@andrew.cmu.edu> jj1h+@andrew.cmu.edu (Joseph  
Jackson) writes:
> "pscomm" looks at the first few bytes of the input stream looking for
> the "%!" PostScript magic.  If it doesn't find it, it will call
> "enscript" to convert the (assumedly text) file to PostScript.  You can
> change what program is called by setting the PSTEXT variable in the
> .options file which is located in the spool directory for the given
> queue.
>
> Another feature allows TranScript to handle both face-up and face-down
> printers.  "pscomm" can be configured to call a page reversal filter for
> selected printers.  It uses the same "psrev" command which is normally
> made available to users. 

This is almost right, with the caveat that "pscomm" does not call "enscript"
and "psrev", it calls special-purpose (and less-fully-featured) similar
programs called "pstext" and "psrv", respectively.  See the man page for
"pscomm" for more details.

--
 Glenn Reid				RightBrain Software
 glenn@heaven.woodside.ca.us		NeXT/PostScript developers
 ..{adobe,next}!heaven!glenn		415-851-1785 (fax 851-1470)
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From: glenn@heaven.woodside.ca.us (Glenn Reid)
Newsgroups: comp.lang.postscript
Subject: Re: How can I tell if a file is "postscript"
Message-ID: <456@heaven.woodside.ca.us>
Date: 12 Mar 91 08:22:04 GMT
References: <Qbr2bdK00VQs40k49S@andrew.cmu.edu>
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