Re: Parameter expansion only to existing filenames

[Peter Stephenson <pws@xxxxxxx>]

Vin Shelton wrote:
> I was recently re-reading the Zsh User Guide (Thanks, Peter!!) and I
> started a few experiments.  One need I have that is as yet unfulfilled
> is to combine a list of directories and list of files such that only
> the ones which exist get listed.  Here's what I mean:
> 
> zsh -f
> denver% echo $ZSH_VERSION
> 4.1.1
> denver% mkdir a b c
> denver% touch a/x b/y c/z
> denver% dirs=(a b c)
> denver% files=(x y z)
> denver% print $^dirs/$^files
> a/x a/y a/z b/x b/y b/z c/x c/y c/z
> 
> What I'd like to generate is:
> a/x b/y c/z

print $^dirs/$^files(N)

-- 
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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