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Re: declare a="$b" if $a previously set as array

From: Stephane Chazelas
Subject: Re: declare a="$b" if $a previously set as array
Date: Tue, 9 Dec 2014 13:40:51 +0000
User-agent: Mutt/1.5.21 (2010-09-15)

2014-12-09 20:55:02 +0800, konsolebox:
> As for the other things, I was actually only concerned about the
> dangerous behavior that's synonymous to "eval $b" so I didn't really
> thought about discussing them.  And I'm only referring to Bash when I
> made the suggestions.  Other shells certainly does not support local
> scopes.

Not sure what you mean by that last sentence, but all of dash,
yash, mksh, pdksh, AT&T ksh, posh, zsh (so virtually all modern
Bourne-like shells) do support local scopes each with variations
of behaviour and syntax.


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