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- X-seq: zsh-users 22813
- From: Ray Andrews <rayandrews@xxxxxxxxxxx>
- To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>, Zsh Users <zsh-users@xxxxxxx>
- Subject: Re: PATH_DIRS
- Date: Thu, 10 Aug 2017 22:07:27 -0700
- In-reply-to: <CAH+w=7Yd0O2_KqXe84X95-zgLFZOoCzLPKMWUrkT6hGh4jf8Ww@mail.gmail.com>
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On 10/08/17 03:19 PM, Bart Schaefer wrote:
PATH_DIRS is a setopt, it *uses* $PATH. It's not a parameter
providing alternate directories.
I would have been up the garden path there, cuz I:
$ echo $PATH_DIR
... which seemed to do just as I thought I was expecting, however now I
see that since that directory is on my PATH anyway, it worked but only
(it seems) by virtue of it working all the time anyway and I just
didn't realize that, and I was making an unrelated and useless variable
:( Now I see that I completely missed the real use of that setopt.
Thanks, God only knows how many knots I'd have tied myself into there.
However, scripts are run even if chmod -x, tho whence will only find
them if '+x'. Am I somehow missing the boat there?
Anyway, it already does search like that. You just have to chmod +x
the script files (and add a #! line if they aren't zsh scripts).
Yeah, I don't begrudge the dot, good to know what one is doing. Still, I
find myself wanting whence to find anything that is executable on the
PATH. If I can:
What it WON'T do is source scripts it finds that way into the current
shell. It'll always fork a subshell for them. Too many opportunities
for mayhem if the user hasn't explicitly asked (via the "." command)
to have his current shell altered (potentially) by the script.
/aWorking/Zsh/System $ ls -l somescript
-rw-r--r-- 1 root root 24 Aug 10 21:55 somescript <<< not marked
/aWorking/Zsh/System $ cat somescript
echo this is somescript
/aMisc $ . somescript
this is somescript
... so it will be run if it's a script on my PATH, even if not '+x' then
it seems intuitive that whence would also be able to find it.
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