Zsh Mailing List Archive Messages sorted by: Reverse Date, Date, Thread, Author

Re: Empty $''

X-seq: zsh-workers 38089
From: Peter Stephenson <p.stephenson@xxxxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Re: Empty $''
Date: Fri, 04 Mar 2016 10:35:02 +0000
In-reply-to: <160303153647.ZM31964@torch.brasslantern.com>
List-help: <mailto:zsh-workers-help@zsh.org>
List-id: Zsh Workers List <zsh-workers.zsh.org>
List-post: <mailto:zsh-workers@zsh.org>
Mailing-list: contact zsh-workers-help@xxxxxxx; run by ezmlm
Organization: Samsung Cambridge Solution Centre
References: <1533e4d3e82.cbf3800a134118.3897690426664036468@enosys.org> <160303153436.ZM31948@torch.brasslantern.com> <160303153647.ZM31964@torch.brasslantern.com>

On Thu, 03 Mar 2016 15:36:47 -0800
Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
> On Mar 3,  3:34pm, Bart Schaefer wrote:
> }
> } $'...' is not a quoted expression, it's a substitution (at least as far
> } as zsh is concerned).
> } 
> } This does appear to be out of step with other shells.
> 
> Comments on the below?

nulstring always confused me, but something like this appears to be
correct, so as long as this passes tests (we should presumably add
another).

Hmm... actually, isn't the usual logic for using nulstring more like

    if (!*strsub)
      strret = dupstring(nulstring);

?

pws

Follow-Ups:
- Re: Empty $''
  - From: Peter Stephenson

References:
- Empty $''
  - From: Bart Schaefer

Messages sorted by: Reverse Date, Date, Thread, Author