From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from primenet.com.au (ns1.primenet.com.au [203.24.36.2]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 52d88548 for ; Fri, 29 Nov 2019 08:51:01 +0000 (UTC) Received: (qmail 25624 invoked by alias); 29 Nov 2019 08:50:54 -0000 Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Users List List-Post: List-Help: List-Unsubscribe: X-Seq: 24481 Received: (qmail 3516 invoked by uid 1010); 29 Nov 2019 08:50:54 -0000 X-Qmail-Scanner-Diagnostics: from 195-159-176-226.customer.powertech.no by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.102.0/25642. spamassassin: 3.4.2. Clear:RC:0(195.159.176.226):SA:0(-0.3/5.0):. Processed in 0.666299 secs); 29 Nov 2019 08:50:54 -0000 X-Envelope-From: gcszu-zsh-users@m.gmane.org X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received-SPF: none (ns1.primenet.com.au: domain at m.gmane.org does not designate permitted sender hosts) X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: zsh-users@zsh.org To: zsh-users@zsh.org From: Emanuel Berg Subject: Re: shuffle array Date: Fri, 29 Nov 2019 09:50:12 +0100 Message-ID: <86r21rukvv.fsf@zoho.eu> References: <867e3jxtao.fsf@zoho.eu> <20191129064215.GA14095@prometheus.u-strasbg.fr> <8636e7w0w9.fsf@zoho.eu> <20191129084304.GA20296@prometheus.u-strasbg.fr> Mime-Version: 1.0 Content-Type: text/plain User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) Mail-Copies-To: never Cancel-Lock: sha1:kR6+rT5yJhLCZTumHAYSgvO+HU8= Marc Chantreux wrote: >>> print -l $array |shuff|read -A array >> >> The first two steps work, but the result >> array seems to have only one element? > > those filters shuffle lines so you need to > print 1 element per line (-l). > > can you show us examples? $ local -a arg_array $ arg_array=(1 2 3 a b c) $ print -l $arg_array | shuf 3 b 2 c a 1 works! $ local -a arg_array $ arg_array=(1 2 3 a b c) $ print -l $arg_array | shuf | read -A new_array $ echo $new_array 1 doesn't work, just one element... $ echo $#new_array 1 $ echo $#arg_array 6 ... -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal