[OS X Emacs] latex + dvips + ps2pdf from Aquamacs

Sun Nov 1 16:44:36 EST 2020

I'm not familiar with dscl, and what you gave doesn't seem to be the right
syntax, or I do not get it right. But the other commands
provide sufficiently to see that Aquqmca doesn't have respective PATH.

$ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/TeX/texbin

$ echo $SHELL
/bin/zsh

$ which gs
/usr/local/bin/gs

with Aquamacs' PATH
/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin:/Library/TeX/texbin:/usr/local/texlive/2020/bin

$ gs
GPL Ghostscript 9.53.3 (2020-10-01)
Copyright (C) 2020 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.
GS>

I myself have never manipulated the PATH of Aquamacs, at least not
consciously. I think that should be done by the installation or update of
Aquamacs itself. I hope that the developers will fix it, soon. I  myself do
not like interfering that much with the defaults :)

Win, I hope you will read this.

Best Regards,
Roussanka

On Sun, Nov 1, 2020 at 10:17 PM Ettore Aldrovandi <ealdrov at math.fsu.edu>
wrote:

> Hi Roussanka,
>
> On Nov 1, 2020, at 15:43, Roussanka Loukanova <rl.stpuu at gmail.com> wrote:
>
> With José's suggestion for running the command getenv:
> M-x getenv
> PATH
>
> /usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin:/Library/TeX/texbin:/usr/local/texlive/2020/bin
>
>
> The path form Aquamacs is a bit strange. I’m puzzled: I don’t see
> /usr/local/bin in it. Aquamacs should *add* to the path, not replace it,
> I think.
>
> To understand what’s going on, what is the PATH value in Terminal, and
> what is your shell?
>
> echo $PATH
> echo $SHELL
>
> Bettery yet, run:
>
> dscl . -read /Users/<yourusername> UserShell
>
> Ghostscript is located in:
> /usr/local/share/ghostscript
>
> I had this problem with ps2pdf when I had ghostscript 9.50. Yesterday, I
> downloaded and installed ghostscript 9.53.3, from Dick Koch:
>
> https://pages.uoregon.edu/koch/
>
> But I am still puzzled why ps2pdf is getting reached and running ok in
> Terminal.
>
>
> In both cases, even with Dick Koch’s version of Ghostscript, the binary
> should be in /usr/local/bin. If you run
>
> which gs
>
> or
>
> type gs
>
> in your Terminal we can confirm it. (I can’t because I install ghostscript
> in /opt myself.) If that’s the case, with the path that Aquamacs reports,
> it can’t find ps2pdf.
>
> —Ettore
>
> I always have been installing TexLive from MacTeX:
> http://www.tug.org/mactex/
>
> Best Regards,
> Roussanka
>
> On Sun, Nov 1, 2020 at 9:26 PM José Miguel Figueroa-O'Farrill <
> j.m.figueroa at ed.ac.uk> wrote:
>
>> Hi,
>>
>> If you just do M-x getenv it will prompt for the variable and then you
>> can simply type PATH.  You can then go the *Messages* buffer to read the
>> (typically, lengthy) path.
>>
>> Cheers,
>>         José
>>
>>
>> > On 1 Nov 2020, at 20:17, Roussanka Loukanova <rl.stpuu at gmail.com>
>> wrote:
>> >
>> > Hi,
>> >
>> > I tried the following, in the *scratch* buffer of Aquamacs, but they do
>> not produce anything visible by me in "scratch":
>> >
>> > (getenv "PATH") ctrl-J
>> > getenv "PATH" ctrl-J
>> > getenv("PATH")ctrl-J
>> >
>> > The "man getenv" gives the following syntax:
>> > getenv(const char *name);
>> >
>> > The problem continues from Aquamacs. But ps2pdf runs ok from Terminal.
>> >
>> > Best Regards,
>> > Roussanka
>> >
>> > On Sun, Nov 1, 2020 at 7:16 PM Ettore Aldrovandi <ealdrov at math.fsu.edu>
>> wrote:
>> > Hi John,
>> >
>> > thanks for the clarifications.
>> >
>> > > On Nov 1, 2020, at 12:44, John Wroclawski <jtw at csail.mit.edu> wrote:
>> > >
>> > >> On Nov 1, 2020, at 12:30 PM, Ettore Aldrovandi <ealdrov at math.fsu.edu>
>> wrote:
>> > >>
>> > >> what Pete says is correct. (It’s indeed great to see him back on the
>> list.) However, if you install TeX Live via MacTex, the installer takes
>> care of putting the appropriate item in /etc/paths.d, so that shouldn’t be
>> the issue, as you say.
>> > >
>> > > Without speculating at all on what’s happening to Roussanka, it might
>> be worth noting in passing that
>> > >
>> > > - ps2pdf is part of ghostscript, not TeXLive, and normally lives in
>> /usr/local/bin. (so the TeXLive /etc/paths.d file isn’t relevant to this
>> particular program..)
>> >
>> > Yes, you are right. Even better. The path is synthesized by calling
>> /usr/libexec/path_helper, which takes care of putting /usr/local/bin in it
>> before looking into /etc/paths.d.  This happens in both bash and zsh
>> (through different startup files, of course).
>> >
>> > > - ps2pdf is also typically a chain of three or four shell scripts
>> before it gets to actually running gs, and I suppose it could possibly have
>> been broken by the switch to zsh (running 10.14 here, can’t check..)
>> >
>> > Eventually they all call ps2pdfwr, which calls gs. But due to the way
>> bash and zsh construct the path, the result should be the same.  Bash would
>> call path_helper in /etc/profile. Zsh does the same in /etc/zprofile.
>> >
>> > > - simpdftex, which Roussanka mentioned in other contexts, _is_ part
>> of TeXLive and typically lives in /Library/TeX/texbin/. But it itself
>> manipulates paths to find the programs it uses. So the fact that simpdftex
>> can find ps2pdf doesn’t necessarily mean that other things will.
>> > >
>> > > (Is AQM using simpdftex, or calling programs directly?)
>> >
>> > No idea. I see that Aquamacs adds /Library/TeX/texbin to the path
>> itself. I have TeXLive installed in /opt and therefore no
>> /Library/TeX/texbin in my path, but it’s there in Aquamacs when I run
>> (getenv “PATH”).
>> >
>> > —Ettore
>> >
>> >
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>> Prof José Figueroa-O'Farrill
>> School of Mathematics
>> University of Edinburgh
>> PGP Key: 0x6A6BD529 (MIT PGP Key Server)
>>
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>> with registration number SC005336.
>>
>>
>>
>>
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