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Variables: $() or ${}

From: Atom Powers
Subject: Variables: $() or ${}
Date: Thu, 19 Jan 2006 15:27:24 -0800

What is the recommended way to express variables?
Most of the time I use $(variable) but I've seen some cases where
${variable} is required.
Are there any cases where $(variable) is required?

Perfection is just a word I use occasionally with mustard.
--Atom Powers--

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