Re: Brace expansion bug

[Andreas Schwab]

Dan Douglas <ormaaj@gmail.com> writes:

> Hi, hopefully a self-explanatory one today:
>
>     ~ $ ( set -x -- {a..c}; echo "${*-"{1..3}"}" )
>     + echo 'a b c' 'a b c' 'a b c'
>     a b c a b c a b c
>
>     ~ $ ( set -x -- {a..c}; echo "${*/"{1..3}"/$*}" )
>     + echo 'a b c' 'a b c' 'a b c'
>     a b c a b c a b c

*Note (bash) Brace Expansion::

   Brace expansion is performed before any other expansions, and any
characters special to other expansions are preserved in the result.  It
is strictly textual.  Bash does not apply any syntactic interpretation
to the context of the expansion or the text between the braces.  To
avoid conflicts with parameter expansion, the string `${' is not
considered eligible for brace expansion.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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