Re: Question on array processing.

["Larry P. Schrof" <larry@schrof.net>]

Awesome - thanks!

Huge favor - could the zshparam man page please be updated to
reflect this? I didn't see anything about it in the subscript flags section.

Also, while I'm requesting updates to the man page, I wanted to point
out a couple of typos I found if anybody wants to correct them.

On the zshparams man page, under the subscript flags section, there is
an identical typo that appears twice:

On the first line of both the 'w' and 'f' subscript flags, the text reads:

"If the parameter subscripted is a scalar than this flag makes"

The 'than' should probably be 'then'. Sorry to be anal. ;)

- Larry

On Wed, Oct 04, 2006 at 03:07:59PM -0500, Dan Nelson wrote:
> In the last episode (Oct 04), Larry P. Schrof said:
> > There is a subscript flag, s:<string> , (used with the 'w' flag) that
> > allows you to index into a string as if it were an array, using
> > <string> as a separator for elements.
> > 
> > Here's my question:
> > 
> > I absolutely can NOT figure out how to get zsh to use a single colon
> > (':') as a separator. No matter how I try to quote the second colon,
> > zsh sees the second colon in the expression as the termination for
> > the separator string.
> > 
> > I'm tring to do something like:
> > 
> > > str="these:are:some:words"
> > > echo ${str[(ws:::)2]}
> > zsh: bad math expression: operand expected at `::)2'
> > 
> > I've also tried :":":, :\::, and :':': - none of those work.
> > 
> > Is this a small flaw / hole in zsh's functionality?
> 
> You can use any character as a delimiter, not just a colon:
> 
> $ str="these:are:some:words"
> $ echo ${str[(ws/:/)2]}
> are
> 
> -- 
> 	Dan Nelson
> 	dnelson@allantgroup.com