Re: Array parameter expansion: take n-th word from array elements

["Nikolay Aleksandrovich Pavlov (ZyX)" <kp-pav@xxxxxxxxx>]

26.06.2017, 02:17, "Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxx>:
> Hmm, I never received Nikolay's message, though I see it on the zsh
> archive site.

I am periodically receiving messages that state that some of the messages sent by list to me bounced. Maybe this problem has the same origin.

>
> On Jun 25, 8:34pm, Nikolay Aleksandrovich Pavlov (ZyX) wrote:
> }
> } 25.06.2017, 15:46, "Alexander Gross" <agross@xxxxxxxxxxxxxxxx>:
> } > Hi all,
> } >
> } > I would like to parse some output from a command that generates an array of
> } > the following elements:
> } >
> } > Main System.Xml.XPath - 4.3
> } > Main System.Xml.XPath.XDocument - 4.3
> } > Test Castle.Core - 4.0
> } > Test FsCheck - 2.9
> } >
> } > print -l ${${(s. .)foo}[2]}
>
> The only parameter substitution operator that iterates over elements of
> an array in the way you want is the ${NAME/PATTERN/REPL} syntax. If
> you setopt extendedglob and use (#m) in the pattern, $MATCH will give
> you each of the elements as a string, so you next need to interpret
> each string as words. The (w) subscript modifier does that.
>
> Thus:
>
>     setopt extendedglob
>     print -lr -- ${foo/(#m)*/${MATCH[(w)2]}}