From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-users-return-23426-mason-zsh=primenet.com.au@zsh.org>
Received: (qmail 28255 invoked by alias); 2 Jun 2018 06:58:53 -0000
Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Users List <zsh-users.zsh.org>
List-Post: <mailto:zsh-users@zsh.org>
List-Help: <mailto:zsh-users-help@zsh.org>
List-Unsubscribe: <mailto:zsh-users-unsubscribe@zsh.org>
X-Seq: 23426
Received: (qmail 19455 invoked by uid 1010); 2 Jun 2018 06:58:53 -0000
X-Qmail-Scanner-Diagnostics: from aurora-borealis.phear.org by f.primenet.com.au (envelope-from <eiro@phear.org>, uid 7791) with qmail-scanner-2.11 
 (clamdscan: 0.99.2/21882. spamassassin: 3.4.1.  
 Clear:RC:0(94.242.205.164):SA:0(-1.9/5.0):. 
 Processed in 1.47199 secs); 02 Jun 2018 06:58:53 -0000
X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_PASS,
	T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.1
X-Envelope-From: eiro@phear.org
X-Qmail-Scanner-Mime-Attachments: |
X-Qmail-Scanner-Zip-Files: |
X-Virus-Scanned: amavisd-new at phear.org
DKIM-Filter: OpenDKIM Filter v2.10.3 aurora-borealis.phear.org 75CCA10A82
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=phear.org;
	s=20180217; t=1527922725;
	bh=YISJ7iu/anAHdb1xm3Skwz+FdFgfQX18pJQn+PXv/Ps=;
	h=Date:From:To:Cc:Subject:References:In-Reply-To:From;
	b=a1g9WZVTeu+m8ysLPmV5JG2LgxdZWPZn6X+DK3C5c/KjNFCx8MhCnDT93Bl+Xvacg
	 Pm5IGl6nKBhhVZ20JIvNi1vvECcUplnPkKWfOSOjAR6bXJZs3+oJQ2/O7q5urY5EQi
	 olTV3Voyv3UnCtDkDD7sroEadVuwOvW78d/CTh6AIc0/4MdIqdB/4MLMt+53ncND71
	 XHBPCFJ1ZZ22tTrnwv/YxAl60EyMe0EhJXdO12YtcyIrP473ROzPg3fReE3Pc0gBQ+
	 KDSBOypJa1gkUOYDLBxZxwLsxdC7M+0UtwgEKqSfNq/apXLPQAPUV1SwzPWtTYDhhF
	 XdEsqJM109Ihg==
Date: Sat, 2 Jun 2018 08:58:43 +0200
From: Marc Chantreux <eiro@phear.org>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: read options to slurp empty lines ?
Message-ID: <20180602065843.GA22633@prometheus.u-strasbg.fr>
References: <20180601214714.GA11281@prometheus.u-strasbg.fr>
 <CAH+w=7bUdOB2DjCZmf5zWhL-9dM0ScSt6zPzuAmJK3EmEDsiyQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAH+w=7bUdOB2DjCZmf5zWhL-9dM0ScSt6zPzuAmJK3EmEDsiyQ@mail.gmail.com>
User-Agent: Mutt/1.9.5 (2018-04-13)

> > slurp     () IFS=$'\n' read -r -d ' -A $1
> I presume that to be a typo or cut-and-paste error because you have an
> unmatched single quote there.

indeed!

    slurp     () IFS=$'\n' read -r -d '' -A $1

> % typeset -p them
> typeset -a them=( bar bang '' )

typeset -p is awesome! thanks for this :)

> The behavior of "read" is to collapse multiple consecutive occurrences
> of $IFS characters into a single one.

and then i feel dump because i know it :(

> Only that there's no simple way to make it do what you want. :-)
> You're probably looking for this:

> slurp() {
>   local REPLY
>   IFS= read -d '' &&
>   set -A ${1:-reply} "${(@f)REPLY}"
> }

much more elegant that mine. thank you!
marc