Hi, Eberhard:

      Please excuse:  I've already solved this problem.  "sudo rm /usr/local/bin/pdflatex" did the trick.


       You may be right that I should reformat my hard drive and restore from my TimeMachine.  However, that sounds too much like "do-it-yourself lobotomy" to me.  I don't plan to try that right now.


      Thanks again for your suggestions.
      Spencer


On 2020-05-13 18:16, Dr Eberhard W Lisse wrote:
Spencer,

If you just google

        https://www.google.com/search?q=uninstallpkg

the first link coming up is the right one.  But see below.


Do you have a ~/Downloads directory?  Did you look in there?


So the removing of /usr/local/bin/pdflatex did not remove the old 2019
version.  Which is why I proposed uninstallPKG to get rid of all the old
crud.

To be honest, I reckon you should run TimeMachine and then re-install
Catalina after reformatting your hard disk, restore your home directory
and then carefully (step by step) install the Xcode Command Lime Tools,
homebrew, MacTeX and R, which will give you a known state.

I like to have a consistent, known state, with only one (the latest if
possible) version of everything and if possible via the Software Update
or a package manager (homebrew).


homebrew has what is called Casks, which installs proper MacApps (often
from the original developers’ site).  I check regularly whether there
are (new) casks for apps I have manually installed which I then install
(overwrite) so a

        brew upgrade
        brew cask upgrade

will sort me out

btw, I just looked and

        brew cask install uninstallpkg

will do the deed nicely.

el

On 2020-05-13 23:31 , Spencer Graves wrote:
       Thank you all for your comments on this.  I'm overwhelmed, not
just with the volume of the discussion, but my own ignorance of the
standard command line protocols.


       After trying some but on all of Eberhard Lisse's and Peter
Dalgaard's suggestions below, the problem disappeard after I executed
"sudo rm /usr/local/bin/pdflatex".  I tested "R CMD check
Ecfun_0.2-4.tar.gz" right before I did that, and the problem was still
there.  It disappeared right after I did that.


       Lisse's "UninstallPKG" might have been more graceful, but I
couldn't find the key to that padlock, so I used something that seems
more like boltcutters instead -- and it worked.


       Thanks again,
       Spencer Graves


On 2020-05-13 09:57, Dr Eberhard W Lisse wrote:
Peter,

as far as I understand this the idea is to make the binaries of whatever
MacTeX you use available in

     /Library/TeX/texbin

       Finder says this was installed yesterday, presumably when I
installed MacTex.
so that it survives the (annual) upgrade of MacTeX or a switch from the
Basic to the Big MacTeX or whatever.


I would personally not remove the pdflatex, but find something like
UninstallPKG

       How do I find something like "UninstallPKG"?


and then locate MacTeX in there and remove that (all
versions, so all old crud goes away.

If you, like me, use MacTeXBasic you can do something like

       I don't think I'm using MacTexBasic, but I'm not a big LaTeX user,
beyond trying to make RMarkdown work these days (and having used LaTeX
when writing "Functional Data Analysis with R and Matlab with Ramsay and
Hooker over a decade ago).

     if [ ! -x /usr/local/bin/gawk ]

       I don't seem to have gawk installed, at least not there, and
"gawk" at a Terminal prompt returned, "-bash: gawk: command not found".

     then
         brew install gawk

       I did that, and it seemed to work.  It started "Updating
Homebrew..." and ended 'For compilers to find readline you may need to
set:  export LDFLAGS="-L/usr/local/opt/readline/lib";  export
CPPFLAGS="-I/usr/local/opt/readline/include"'.

     fi
     tlmgr list --only-installed \
        | gawk '{gsub(/:/, ""); print $2}' \
        > ~/Downloads/texlive.$(date +%Y-%m-%d).installed.txt

       I tried that.  It executed quickly with no output.
before uninstalling the old packages,

       I don't know what to uninstall nor how to do it nor how to even
find what I should uninstall, other than ask here (or maybe at
tex.stackexchange, as Dirk Eddelbuettel had suggested).


then you install the latest and
greatest MacTeXBasic

       I installed MacTex yesterday, as I indicated earlier in this
thread.  That may not be enough, but I will skip that for the moment.


and run something like

     tlmgr update --self

       I did this in /Library/TeX/texbin as follows:


texbin sbgraves$ tlmgr update --self

tlmgr: Local TeX Live (2019) is older than remote repository (2020).
Cross release updates are only supported with
   update-tlmgr-latest(.sh/.exe) --update
See https://tug.org/texlive/upgrade.html for details.


       That link starts with, "By default, please get the new TL by doing
a new installation instead of proceeding here."  Clicking "here" took me
to where I was yesterday, when I installed MacTex-2020, which seems to
have gone into "/user/local/texlive/2020".  I also found under
"/user/local/texlive" subdirectories for 2014, and 2016 but not 2019.


     tlmgr install $(cat ~/Downloads/texlive.$(date
+%Y-%m-%d).installed.txt)

       This gave me the same message as "tlmgr update --self".
and, perhaps

     perl -i -p \
         -e 's+\$SELFAUTOPARENT/+/usr/local/texlive/+' \
         /usr/local/texlive/2020basic/texmf.cnf
     texhash

       I have "/user/local/texlive/2020" but not "2020basic", as I
indicated above.  I think I'll skip this for the moment.
:-)-O

Nowadays, you can just

     sudo rm -rf /usr/local/texlive/2019basic

and if you use homebrew you might have /usr/local owned by yourself so
you don't need the sudo.

Time Machine is your friend (as I just noticed) :-)-O

el


On 13/05/2020 15:34, peter dalgaard wrote:
Hmm, like Eberhard, I'm not too sure this is right.

A look at ls -l /usr/local/bin should be informative though.

ls -l /usr/local/bin
total 460456
[...]
I haven't been paying that close attention, but I think the history is
that TeX programs used to live in /usr/local/bin, but then Apple did
something(?)  so now they go to Library/TeX/texbin (and are really
links that via several levels of indirection end up somewhere in
/usr/local/texlive).  However, old installs may still have binaries or
links in /usr/local/bin.  I would guess that a simple

sudo rm /usr/local/bin/pdflatex

could work (possibly remove some other *tex programs as well).

-pd
[...]


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