On Mon, Feb 16, 2009 at 10:22 AM, Paul Jarc <p...@po.cwru.edu> wrote:
> Jon Seymour <jon.seym...@gmail.com> wrote:
>> If the builtin echo fails it will be because the bash interpreter has
>> suffered a catastrophic failure of some kind [ e.g. run out of memory
>> ]. Once that has happened, all bets are off anyway.
>
> Probably true, but command substitution forks a separate process, so
> that can fail for reasons external to the bash process.
>
> Here's another possibility:
> CPATH=${CPATH:+$CPATH:}${#+~usr1/blah/blah}
>Paul, Out of interest, how does one derive that outcome from the documented behaviour of bash? That is, which expansion rules are being invoked? jon. > > paul >
