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Reply-To: linuxtechguy@gmail.com
In-Reply-To: <58540944.3030706@eastlink.ca>
References: <58540944.3030706@eastlink.ca>
From: Jim <linux.tech.guy@gmail.com>
Date: Sat, 17 Dec 2016 17:16:12 -0600
Message-ID: <CA+rB6GKuS8w3DHiE-r9Da5-bbmBNqSYWc0myLp=Xab=cr_UEbQ@mail.gmail.com>
Subject: Re: trapped in bash
To: zsh-users@zsh.org
Content-Type: multipart/alternative; boundary=001a114b32bc6340380543e2df79

--001a114b32bc6340380543e2df79
Content-Type: text/plain; charset=UTF-8

On Fri, Dec 16, 2016 at 9:33 AM, Ray Andrews <rayandrews@eastlink.ca>
wrote:
>
> BTW:
>
>     _array=( ${(f)_variable} )
>     _count=$#_array   # Count the number of lines.
>
> Can that be simplified? I don't need the _array, just the _count. Of
> course there are any number of utilities to count lines, but I mean the
> simplest zsh way, although the above is nicely self-explanatory


_count=${#${(f)_variable}}

This will remove the need for the variable _array. One caution, if your
not already aware, (f) removes blank lines, so they won't show up in
the count.

Hope this helps,

Jim

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