From: Bart Schaefer <schaefer@brasslantern.com>
To: zsh-users@zsh.org
Subject: Re: Running "unset path" breaks PATH despite emulation being enabled
Date: Sun, 10 Sep 2017 16:50:57 -0700 [thread overview]
Message-ID: <170910165057.ZM4703@torch.brasslantern.com> (raw)
In-Reply-To: <20170909223811.mjaoafbhugrijnyb@sinister.lan.codevat.com>
On Sep 9, 3:38pm, Eric Pruitt wrote:
}
} What want is for Z shell to return is the name to the invoked
} interpreter which is what $BASH shows even when $PATH doesn't contain
} Bash.
OK, that's just a little bit trickier. Here's script equivalent of the
actual heuristic Bash uses:
# Set $ZSH the way Bash sets $BASH
get_ZSH() {
emulate -L zsh
if [[ -o login && $ZSH_ARGZERO != /* ]]
then ZSH=$SHELL
elif [[ $ZSH_ARGZERO = /* ]]
then ZSH=$ZSH_ARGZERO
elif [[ $ZSH_ARGZERO = ./* ]]
then ZSH=$ZSH_ARGZERO:P
else
local -a tname=( $^path/$ZSH_ARGZERO(N[1]) )
if [[ -z $tname ]]
then
if [[ -x $ZSH_ARGZERO ]]
then ZSH=$ZSH_ARGZERO:P
else ZSH=$SHELL
fi
else
ZSH=$tname:P
fi
fi
}
This only works if it's executed before any chdir has been done.
For older zsh that don't have the :P modifier, use :A.
next prev parent reply other threads:[~2017-09-10 23:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170908082917.v5j4vczoq75vs5lk@sinister.lan.codevat.com>
[not found] ` <CAHYJk3RD6p7PwRaZSUbJSAE0Bi6_2+NKLC3MV+32Lh+PmzsAdA@mail.gmail.com>
2017-09-09 21:38 ` Eric Pruitt
2017-09-09 22:25 ` Bart Schaefer
2017-09-09 22:38 ` Eric Pruitt
2017-09-10 9:42 ` Daniel Shahaf
2017-09-10 23:50 ` Bart Schaefer [this message]
2017-09-11 4:39 ` Eric Pruitt
2017-09-10 18:51 ` Chet Ramey
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