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Message from discussion Bug#613556: Why dash's local variable inherits its value from outter env?
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Raphael Geissert  
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 More options Feb 15 2011, 2:50 pm
Newsgroups: linux.debian.bugs.dist
From: Raphael Geissert <geiss...@debian.org>
Date: Tue, 15 Feb 2011 20:50:02 +0100
Local: Tues, Feb 15 2011 2:50 pm
Subject: Bug#613556: Why dash's local variable inherits its value from outter env?
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On Tuesday 15 February 2011 10:40:31 weakish wrote:

> According to man dash:

> When a variable is made local, it inherits the initial value and
> exported and readonly flags from the variable with the same
> name in the surrounding scope, if there is one.

> Why does dash implement this feature?  I guess sinec local is not specified
> by POSIX, there isn't any history issues here.

Why do you consider it a bug? policy specifically says:

>         * `local' to create a scoped variable must be supported, including
>           listing multiple variables in a single local command and
>           assigning a value to a variable at the same time as localizing
>           it.  `local' may or may not preserve the variable value from an
>           outer scope if no assignment is present.

It's simply an unspecified behaviour, just initialize it to the empty value.
E.g. local x=

Cheers,
--
Raphael Geissert - Debian Developer
www.debian.org - get.debian.net

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