On Tue, 6 Aug 2002, Alvaro Herrera wrote:
> Nigel J. Andrews dijo:
>
> > Hmm...that's not how I've always understood shell quoting, at least for bash:
> >
> > ~$ aa=3
> > ~$ perl -e 'print join(",",@ARGV), "\n";' "1 $aa 2 3" 4 5 6
> > 1 3 2 3,4,5,6
> > ~$
>
> What's the difference? What your example is saying basically is that
> the shell is treating the "1 $aa 2 3" as a single parameter (i.e. spaces
> do not have the usual parameter-separating behaviour), _but_ variables
> are interpreted. Using '' prevents variable substitution, so
>
> > ~$ perl -e 'print join(",",@ARGV), "\n";' '1 $aa 2 3' 4 5 6
>
> should give
> 1 $aa 2 3,4,5,6
Oops, I've just realised the original was about glob expansion whereas I was
looking at other special characters.
--
Nigel J. Andrews
Director
---
Logictree Systems Limited
Computer Consultants
