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Re: Precedence of "C operators" and "bash operators"
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From: |
Chet Ramey |
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Subject: |
Re: Precedence of "C operators" and "bash operators" |
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Date: |
Sat, 18 Dec 2010 22:45:28 -0500 |
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User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.8) Gecko/20100802 Lightning/1.0b2 Thunderbird/3.1.2 |
On 12/18/10 11:22 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.
>
> What's wrong ?
Thanks for the report. There are indeed some problems with the treatment
of unary + and - along with the ! and ~ operators. These will be fixed
in the next release.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/