Curious bash evaluation

[Rodolfo Alcazar Portillo]

On Mon, 2010-12-27 at 13:31 -0500, Chris Tyler wrote:
> On Mon, 2010-12-27 at 17:05 +0100, Rodolfo Alcazar Portillo wrote:
> > Hello. See this:
> > 
> > # A="echo 'hi'"
> > 
> > # echo $($A)
> > 'hi'
> > 
> > # echo 'hi'
> > hi
> > 
> > Does anyone understand why does the first command 
> > evals the echo but echoes the simple quotes? 
> 
> $() provides a type of quoting, so it's evaluated similar to:
> 
>    "echo" "'hi'"
> 
> which produces the observed result.

Hmmm. Somehow obvious. Is that "type of quoting" documented 
somewhere? Why does it eval just the first word?

:)
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Rodolfo Alcazar Portillo - nospaze at gmail.com
otbits.blogspot.com / counter.li.org: #367962
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