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From: Mikael Magnusson <mikachu@gmail.com>
To: meino.cramer@gmx.de
Cc: zsh-users@zsh.org
Subject: Re: Hexadecimalic question ;)
Date: Thu, 10 Nov 2011 18:55:50 +0100	[thread overview]
Message-ID: <CAHYJk3Qs0HToA=c+pbPxYNf2K9p74W+xadW5jhgmdJ-9sxQ-VQ@mail.gmail.com> (raw)
In-Reply-To: <20111110174811.GF24333@solfire>

On 10 November 2011 18:48,  <meino.cramer@gmx.de> wrote:
> Hi,
>
> I have a string conatining hex digits like this:
>
>    hexdig="b05a02d7d1df3e6993eca90fa00241550dc95ec8e22d9b7194e2549cbd2f0ee37ec802d358d7447e0d78568d6f927ca4695173979e0f46573073cc8a785ac181"
>
> and I have an Array like this
>
>    arr=( T h i s i s a n e x a m p l e ! )  # Could be any othe contents!
>
> Now I want to step through hexdig digit by digit and use every single
> digit as an index into arr by interpreting each digit as hexadecimal
> digit.

% for i in ${(s::)hexdig}; do echo -n $arr[$(( 16#$i + 1 ))]; done; echo
mTsaTilnlhl!seaxxsepaxT!aTTiihssTlpxsepeeiilxmnhxieisixpmli!TeesnepeTilsselniineTlnesaela!xinpaiaxshnsxnxeT!iasnsTnsppeanesapheh

-- 
Mikael Magnusson


  reply	other threads:[~2011-11-10 17:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-10 17:48 meino.cramer
2011-11-10 17:55 ` Mikael Magnusson [this message]
2011-11-10 19:44 ` Stephane CHAZELAS

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