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Article View: comp.lang.postscript
Article #1717

Re: EPS and PS, the difference?

#1717
From: Philip Machanick
Date: Mon, 26 Mar 1990 17:41
29 lines
2248 bytes
In article <1115@chinacat.Unicom.COM>, woody@chinacat.Unicom.COM (Woody
Baker @ Eagle Signal) writes:
> In article <1837@diamond2.UUCP>, derosa@motcid.UUCP (John DeRosa) writes:
> > henry@angel.Sun.COM (Henry McGilton--Software Products -- R.I.P.) writes:
> > 
> > >In article <1816@diamond2.UUCP>, derosa@motcid.UUCP (John DeRosa) writes:
> > >    *  ......code starting with #! Adobe.
> > >Chances are some prolog file is missing from the Mac version.
> > 
> > No, that's not it.  To start with, this is a sun document in PS.
> > I get it to the Mac and can download it to the Laser just fine.
> > But, if I just try to print it (i.e. using a text editor) I don't
> > get the real document, I get a listing of the PS code.  It would 
> 
> This is just as it should be.  The text editor is probably using a laser
> driver.  On the MAC, I think that if you print a file from an editor, it
> goes through a filter that converts it to text.  The fact that you can
> download it to the laser and it prints the picture, but you print it from
> the editor and get a listing is diagnostic of this.
> 
Not exactly. It IS text, so you don't have to filter it to text. The difference
is some other operating systems use the first couple of bytes in a file to
determine the file type. The Mac stores file type information somewhere else
(not as part of the "text"). To a Mac program, the file is of type TEXT,
and hence is printed as such. A counter-example: Adobe Illustrator stores its
PostScript in plain text, but the file is tagged as "belonging" to Illustrator.

Philip Machanick
philip@pescadero.stanford.edu
Technical Details
Message-ID: <1990Mar26.174107.7948@Neon.Stanford.EDU>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!samsung!think!mintaka!ogicse!decwrl!shelby!neon!Kermit.Stanford.EDU!philip
References: <1115@chinacat.Unicom.COM> <1816@diamond2.UUCP> <133322@sun.Eng.Sun.COM> <1837@diamond2.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!samsung!think!mintaka!ogicse!decwrl!shelby!neon!Kermit.Stanford.EDU!philip
From: philip@Kermit.Stanford.EDU (Philip Machanick)
Newsgroups: comp.lang.postscript
Subject: Re: EPS and PS, the difference?
Message-ID: <1990Mar26.174107.7948@Neon.Stanford.EDU>
Date: 26 Mar 90 17:41:07 GMT
References: <1115@chinacat.Unicom.COM> <1816@diamond2.UUCP> <133322@sun.Eng.Sun.COM> <1837@diamond2.UUCP>
Sender: news@Neon.Stanford.EDU (USENET News System)
Reply-To: philip@pescadero.stanford.edu
Distribution: comp
Organization: Computer Science Department, Stanford University
Lines: 29