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Re: Precedence of "C operators" and "bash operators"


From: Eric Blake
Subject: Re: Precedence of "C operators" and "bash operators"
Date: Sat, 18 Dec 2010 20:13:51 -0700
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On 12/18/2010 09:22 AM, 12bric wrote:
> 
> Bash 4-1 manual indicates 
>      - "The operators and their precedence, associativity, and values are
> the same as in the C language" (pp. 27).
>      - the precedence of - and + operators is different then the precedence
> of ! and ~.
> 
> But in the book "C a reference manual" (Harbison & Steele), the four
> operators + - ! ~ have the same precedence.

The unary operators + and - have the same precedence as the unary ! and
~; and that level of precedence is higher than that of the binary + and -.

-- 
Eric Blake   eblake@redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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