Re: case matching to element in array?

[Peter Stephenson <pws@xxxxxxx>]

Peter Stephenson wrote:
> Phil Pennock wrote:
> > What am I missing in the following example?
> > 
> > 		(${(j:|:)fred_list})
> 
> Change this to
> 
>                 (${~${(j:|:)fred_list}})
> 
> to activate the `|'s.  The extra level of substitution seems to be
> necessary to avoid the `|' in the (j:|:) having an effect too soon.

I worked out why I got confused before:  the canonical form is

                  (${(j:|:)~fred_list})

and I was putting the ~ before the (j:|:), which is why it wasn't
working.

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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