Re: a note on notations

[peter@robots.oxford.ac.uk]

> ${foo} has been suggested, but it already has a meaning (albeit obscure
> and imho useless) in es.  of course, that meaning can always be
> obtained with $({foo}) and nobody really uses it.  what do people
> think?  ${foo} is certainly the prettiest suggestion i've seen so far.

I've certainly never had any inclination to use braces in variable names,
and ${foo} does seem to be the best suggestion so far IMHO.  However I must
also point out that I have (almost) never used open for read/write which
existed in bash ages ago.

Pete.