From: Tomasz Moskal <ramshackle.industries@gmail.com>
To: zsh-users@zsh.org
Subject: Re: how to refer to basename of $0
Date: Fri, 29 Jul 2011 02:30:02 +0100 [thread overview]
Message-ID: <1311903004.7733.0.camel@localhost.localdomain> (raw)
In-Reply-To: <20110729002402.GA41738@redoubt.spodhuis.org>
On Thu, 2011-07-28 at 20:24 -0400, Phil Pennock wrote:
> On 2011-07-28 at 18:55 -0400, TJ Luoma wrote:
> > the script "foo.sh" read .source like this:
> >
> > . $HOME/.source
> >
> > and then I did
> >
> > echo "$NAME"
> >
> > it would give me
> >
> > foo.sh
> >
> > but in zsh I get
> >
> > zsh
>
> Are you sure?
>
> % cat -v foo
> . $HOME/bar
> % cat -v bar
> echo $0
> % zsh -f foo
> /home/me/bar
> % bash foo
> foo
>
> The point is that in bash, sourcing a script does not change $0 while in
> zsh it does by default, because FUNCTION_ARGZERO is set.
>
> % cat -v foo2
> unsetopt function_argzero
> . $HOME/bar
> % zsh -f foo2
> foo2
>
> If you want to be portable to both bash and zsh, then:
>
> [[ -n $ZSH_VERSION ]] && unsetopt function_argzero
>
> This does, unfortunately, have to be done in the script which does the
> including, so you can't have a common library used by both shells which
> assumes that $0 is the name of the original file and which can just be
> simply included.
>
> -Phil
Damn, I was too late :-)
next prev parent reply other threads:[~2011-07-29 1:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-28 22:55 TJ Luoma
2011-07-28 23:54 ` Tomasz Moskal
2011-07-29 0:24 ` Phil Pennock
2011-07-29 1:30 ` Tomasz Moskal [this message]
2011-07-29 0:44 ` Benjamin R. Haskell
2011-07-29 1:39 ` TJ Luoma
2011-07-29 2:06 ` Tomasz Moskal
2011-07-29 4:04 ` Bart Schaefer
2011-07-29 4:50 ` TJ Luoma
2011-07-29 11:48 ` Tomasz Moskal
2011-07-29 14:08 ` Benjamin R. Haskell
2011-07-29 22:30 ` Bart Schaefer
2011-07-30 19:43 ` Greg Klanderman
2011-07-29 3:05 ` TJ Luoma
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