Re: joining array elements

[Wataru Kagawa <wkagawa@xxxxxxxxxxxxxxxxxxxx>]

I think my example was unclear (Sorry).  Basically, I wanted an  
output that looks like,

David
Matt
Bob[return]Sara[return]Tim

I can get it with,
foo=$( printf '%s\n' David Matt ${(j:[return]:)usernames} )
with the 'globsubst' option turned off.  However, I was trying to  
incorporate your tip, because I wanted to keep that option turned on.

foo=$( printf '%s\n' David Matt ${(j:[return]:)~~usernames} )
gives me no output (with the 'nullglob' option set).

Thanks.

On 2006/01/12, at 20:54, Peter Stephenson wrote:

> Wataru Kagawa wrote:
> > Hi Peter,
> >
> > Thank you for the tip.  I would like to place the expansion into a
> > variable, however, I am having a trouble.
> >
> > % usernames=( Bob Sara Tim )
> > % print -R ${(j:[return]:)~~usernames}
> > Bob[return]Sara[return]Tim
> >
> > However,
> >
> > % foo=$( printf '%s\n' David Matt ${(j:[return]:)~~usernames} )
> > % echo $foo
>
> What effect are you trying to achieve?  The command you show does
> exactly what I expect it to.  Do you mean you want David and Matt  
> added
> in the same way and the result put in foo?
>
> usernames2=(David Matt $usernames)
> foo=${(j:[return]:)~~usernames2}
>
> Or do you mean you want the same effect as you get when outputting  
> David
> and Matt using printf, but with all the names, so that foo ends up  
> being
> joined with newlines?
>
> foo=${(F)usernames2}
>
> --
> Peter Stephenson <pws@xxxxxxx>                  Software Engineer
> CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
> Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223  
> 692070
>
>
> Your mail client is unable to display the latest news from CSR. To  
> access our news copy this link into a web browser:  http:// 
> www.csr.com/email_sig.html