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Re: Usage of "eval" inside if


From: Garrett Cooper
Subject: Re: Usage of "eval" inside if
Date: Mon, 1 Dec 2008 18:45:57 -0800

On Mon, Dec 1, 2008 at 9:43 AM, Paul Smith <address@hidden> wrote:
> On Mon, 2008-12-01 at 22:52 +0530, kalyan wrote:
>> I expected the output on my console to be 0 but i got 1 ?
>> Any hints on what might be going wrong here are appreciated.
>
> There's nothing wrong :-).
>
> Make evaluates left-to-right and completely expands each variable or
> function it finds in the string before moving on to the next.
>
> So, the first thing it needs to expand is $(eval $(change_value)) and
> that sets VAR to 1.  Then it sees $(VAR) and expands that, which results
> in "1".

Indeed. I wouldn't expect less of that section of code than what you described.

What are you trying to accomplish?

-Garrett




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