On 2/17/12 2:51 PM, Mike Frysinger wrote:
> can't tell if this is a bug or a feature.
>
> FOO= BAR=bar
> : ${FOO:=${BAR}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
> echo $FOO
>
> i'd expect an error, or FOO to contain those excess braces. instead, FOO is
> just "bar".
Neither. That's just how parameter expansion works. The braces are
contained in the remainder of the word expansion.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
