From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-users-return-15149-mason-zsh=primenet.com.au@zsh.org>
Received: (qmail 21555 invoked by alias); 9 Jul 2010 13:36:25 -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>
X-Seq: 15149
Received: (qmail 28797 invoked from network); 9 Jul 2010 13:36:20 -0000
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,T_TO_NO_BRKTS_FREEMAIL
	autolearn=ham version=3.3.1
Received-SPF: pass (ns1.primenet.com.au: SPF record at _spf.google.com designates 209.85.214.171 as permitted sender)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=gamma;
        h=domainkey-signature:received:mime-version:received:in-reply-to
         :references:from:date:message-id:subject:to:cc:content-type;
        bh=Z71ZX9ma/z+iwE9onAAq41zXZCrKDt1zhKggXaISb8k=;
        b=e5e6x+83Pk0KC4TNWOLcV1+lQAEIIFaU3IK4mI4XUr/5V9F2Hke8YYSi4GstgsNdon
         OVAZUfLmtaC9RYJ4w8aWhndHv/Gdmbt4+FPIn1CqZn3W7hRjbQNZnJDIflkBf8A4uu39
         QSJSKfLHJh8qIaicsny32U57JVrkWh0Rv3UoM=
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:in-reply-to:references:from:date:message-id:subject:to
         :cc:content-type;
        b=kaPZ/EZEvynpGKon8czfWuIK3E9jknJ7K0givVSeqB5j9d9dmDV+9SgCQF+trrvy8W
         au1o7JEafbHfz3Pqh6a6LOFmK0CbBEkOoA9z8oYpjWrwvpSoLET01LOnQ5Q8SXKfFhIF
         YTfuxH1fQ2gVXSL2A+S2B7zds9PvKwOi5A0VA=
MIME-Version: 1.0
In-Reply-To: <20100709152718.df78ca73.tartifola@gmail.com>
References: <20100709152718.df78ca73.tartifola@gmail.com>
From: Guillaume Brunerie <guillaume.brunerie@gmail.com>
Date: Fri, 9 Jul 2010 15:36:00 +0200
Message-ID: <AANLkTikjaSGkBzR_aWvhYfFL418ml_x-hbg4qBrzg88w@mail.gmail.com>
Subject: Re: generate series of strings
To: tartifola@gmail.com
Cc: zsh-users@zsh.org
Content-Type: multipart/alternative; boundary=0016e64ca94eb227c0048af47ccc

--0016e64ca94eb227c0048af47ccc
Content-Type: text/plain; charset=UTF-8

2010/7/9 <tartifola@gmail.com>

>
>
> Hi,
> is there a way to obtain from the command line a series of strings like
>
> (1:3) (4:6) (7:9)...
>
> always with the same increment. I'm playing with 'seq' and 'sed' but
> perhaps it's not the best approach.
> Thanks,
> A.
>

Hi,
You can use a for-loop :

for (( i = 0; i < 5; i++ ))
do
    echo -n "($(( 3 * i + 1 )):$(( 3 * i + 3))) "
done

--0016e64ca94eb227c0048af47ccc--