RE: nested arithmetic expansion

["Seth Kurtzberg" <seth@xxxxxxx>]

My understanding is that the $() form is fully recursive, while the other is
in general not.

-----Original Message-----
From: Atom Smasher [mailto:atom@xxxxxxxxxxx] 
Sent: Wednesday, October 24, 2007 11:58 PM
To: zsh-users@xxxxxxxxxx
Subject: nested arithmetic expansion

how come $[...] doesn't work when nested in a parameter, but the other 
(older?) form $((...)) does?

 	% print ${$((2+3))}
 	5

 	% print ${$[2+3]}
 	<nothing>


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