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Date: Tue, 12 Dec 2000 22:04:37 -0600
From: Dan Nelson <dnelson@emsphone.com>
To: Steve Talley <stephen.talley@sun.com>
Cc: zsh-users@sunsite.auc.dk
Subject: Re: Anonymous array indexing
Message-ID: <20001212220437.A491@dan.emsphone.com>
References: <20001212184156.I11810@rmtc>
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In-Reply-To: <20001212184156.I11810@rmtc>; from "Steve Talley" on Tue Dec 12 18:41:56 GMT 2000
X-OS: FreeBSD 5.0-CURRENT

In the last episode (Dec 12), Steve Talley said:
> Is there a compact version of the following:
> 
>     fred=(one two three)
>     export FRED=$fred[2]
>     unset fred
> 
> I am looking for something like
> 
>     export FRED=(one two three)[2]

Assuming "one two three" is actually stored in a shell variable (we'll
call it a):

export FRED=${${=a}[2]}

will work. = turns on SH_WORD_SPLIT, essentially turning the variable
into an array temporarily.


-- 
	Dan Nelson
	dnelson@emsphone.com