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Re: [shell-script] hexadecimal / traffic control


From: Felipe Kellermann
Subject: Re: [shell-script] hexadecimal / traffic control
Date: Fri, 28 Jul 2006 19:55:35 -0300 (BRT)
User-agent: Pine <http://www.washington.edu/pine/>

On Thu, 27 Jul 2006 9:49pm  -0300, Julio C. Neves wrote:

> Para fazer o inverso e já aplicando o seu exemplo::
> 
> Hexa=$(echo "obase=16; 65535" | bc)
> for ((i=0; i < 4; i++))
> {
>     echo "ibase=16; ${Hexa:i:1}" | bc
> }

Algum motivo especial para usar bc e não shell?

  % echo $((0x8001 & 0xff00))
  32768

  % echo $((16#8000))
  32768


-- 
Felipe Kellermann


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