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Date: Tue, 13 Apr 2004 19:11:42 +0200
From: Phil Pennock <phil.pennock@globnix.org>
To: zsh-users@sunsite.dk
Subject: Re: Subscripting without temporaries
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On 2004-04-13 at 12:40 -0400, Lloyd Zusman wrote:
> > txt="Some text [particular text] Another text"
> > print -l $txt[1,$txt[(i)\[]-2] $txt[(r)\[,(R)\]] $txt[$txt[(I)\]]+2,-1]
> 
> This is cool.  But what options are necessary in order to make this
> work?  The commands above produce this output for me:
> 
>   Some
>   text
>   [particular
>   text]
>   Another
>   text
> 
> This is the same as what I get with this:
> 
>   print -l $txt

That means that you have SH_WORD_SPLIT turned on, which is not a zsh
default.

If turning sh_word_split off is not an option, then use the '='
parameter expansion modifier twice:

 print -l $==txt[1,$txt[(i)\[]-2] $==txt[(r)\[,(R)\]] $==txt[$txt[(I)\]]+2,-1]

-Phil