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From: Stephane CHAZELAS <stephane_chazelas@yahoo.fr>
To: zsh-users@zsh.org
Subject: Re: Hexadecimalic question ;)
Date: Thu, 10 Nov 2011 19:44:19 +0000 (UTC)	[thread overview]
Message-ID: <slrnjboacj.u6s.stephane.chazelas@spam.is.invalid> (raw)
In-Reply-To: <20111110174811.GF24333@solfire>

2011-11-10, 18:48(+01), meino.cramer@gmx.de:
> 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.
>
> Unfortunately I haven't any succes in doing so...
[...]

echo ${hexdig//(#m)?/$arr[1+16#$MATCH]}

also works with:

arr="Thisisanexample!"

-- 
Stephane


      parent reply	other threads:[~2011-11-10 20:00 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
2011-11-10 19:44 ` Stephane CHAZELAS [this message]

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