MP_EDITOR doesn't work

[Lenore Horner]

> On Apr 5, 2017, at 16:12, Rainer Müller <raimue at macports.org <mailto:raimue at macports.org>> wrote:
> 
> On 2017-04-05 21:54, db wrote:
>> On 4 Apr 2017, at 11:21, db <iamsudo at gmail.com <mailto:iamsudo at gmail.com>> wrote:
>>> On 4 Apr 2017, at 11:18, Rainer Müller <raimue at macports.org <mailto:raimue at macports.org>> wrote:
>>>> How did you test this? This works fine for me:
>>>> $ export MP_EDITOR=less
>>>> $ port edit zlib
>>> export VISUAL=/opt/local/bin/vim     works
>>> export MP_EDITOR=/opt/local/bin/vim  doesn't
>> 
>> Could you please try it with an editor?
> 
> It works for me. I cannot reproduce the problem you have.
> 
> Rainer

For me (MacOS 10.12.3, latest MacPorts, .profile as the relevant file to edit) 
$ export MP_EDITOR=/usr/bin/nano
works.  However, following https://guide.macports.org/chunked/installing.shell.html <https://guide.macports.org/chunked/installing.shell.html>, 
$ export MP_EDITOR=/usr/bin/edit
to use TextWrangler (yes, I have it installed) fails with “Error: unable to invoke editor /usr/bin/edit: couldn't execute "/usr/bin/edit": no such file or directory”.  I tried 
$ export MP_EDITOR=/Applications/TextWrangler.app
but that fails with “Error: unable to invoke editor /Applications/TextWrangler.app: couldn't execute "/Applications/TextWrangler.app": permission denied” when I do 
$ port edit texlive-xetex 
and puts me in vim if I prepend sudo to the command.  (Oh, never mind.  I forgot I had the app store version and never installed the command line tools. Now 
$ export MP_EDITOR=/usr/local/bin/edit 
(note the correction to https://guide.macports.org/chunked/installing.shell.html <https://guide.macports.org/chunked/installing.shell.html>)
works.)  

I haven’t installed any editors through macports so I can’t check the /opt path, but at least stuff in /usr works as expected.  (And thanks to poking at this, I now know two things I didn’t know before I started down this rabbit hole.)
Lenore

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