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Re: very simple off-topic question regarding command line viewing of pos

From: Jean Abou Samra
Subject: Re: very simple off-topic question regarding command line viewing of postscript files on macOS
Date: Wed, 3 Aug 2022 09:22:53 +0200

> Le 3 août 2022 à 01:24, Kenneth Wolcott <> a écrit :
> Hi;
>  I'm trying to simplify my workflow. I think I want to generate
> postscript files instead of pdf files when using Lilypond.  I already
> know how to do that.  But what I need to know is, on a Mac, how to
> display the postscript file from the command line.  I used to do this
> all the time a long time ago when I used UNIX and Linux, but homebrew
> gs doesn't display the postscript.  I do not want to use preview.
>  This used to be a TRIVIAL thing to do when I was younger, but now I
> am old and my brain just isn't what it used to be.
>  I've looked at several man pages and/or info and/or help (lastly
> /opt/homebrew/Cellar/ghostscript/9.56.1_1/share/doc/ghostscript/9.56.1/Use.htm)
> Current attempt:
> /opt/homebrew/Cellar/ghostscript/9.56.1_1/bin/gs -sDEVICE=display
> ../target/
> GPL Ghostscript 9.56.1 (2022-04-04)
> Copyright (C) 2022 Artifex Software, Inc.  All rights reserved.
> This software is supplied under the GNU AGPLv3 and comes with NO WARRANTY:
> see the file COPYING for details.
> zsh: segmentation fault
> /opt/homebrew/Cellar/ghostscript/9.56.1_1/bin/gs -sDEVICE=display
> So, what flags should I be using just to display the postscript?

Personally, I’d just have done

open file.pdf

I believe this is actually what some of the modern document viewers do if you 
ask them to open a PS file.

Bottom line: this may be an XY question. Why do you want to generate PostScript 
in the first place?


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