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Re: Is ${} supported?

X-seq: zsh-workers 2492
From: Zoltan Hidvegi <hzoli@xxxxxxxxxx>
To: aheading@xxxxxxxxxxxx (Anthony Heading)
Subject: Re: Is ${} supported?
Date: Thu, 28 Nov 1996 00:20:10 +0100 (MET)
Cc: zsh-workers@xxxxxxxxxxxxxxx
In-reply-to: <199611270920.JAA24482@xxxxxxxxxxxxxxxxxxxxxxx> from Anthony Heading at "Nov 27, 96 09:20:41 am"

> The "null" parameter seems useful to allow the following sort of thing:
> 
> % echo ${(j/+/):-{one,two,three}}
> one+two+three
> 
> But does it only work by accident, or can it be relied on?  Should
> it be documented?

It can be relied on.  I suspect that I have several scripts relying on
that.  It should be documented of course.

Zoltan

Follow-Ups:
- Re: Is ${} supported?
  - From: Peter Stephenson

References:
- Is ${} supported?
  - From: Anthony Heading

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