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From: Chet Ramey <chet.ramey@case.edu>
To: Stephane Chazelas <stephane.chazelas@gmail.com>, zsh-workers@zsh.org
Cc: chet.ramey@case.edu
Subject: Re: [BUG] Can't mark unset variables as read-only
Date: Wed, 29 Apr 2015 19:22:18 -0400	[thread overview]
Message-ID: <554167AA.1000209@case.edu> (raw)
In-Reply-To: <20150429190909.GB5530@chaz.gmail.com>

On 4/29/15 3:09 PM, Stephane Chazelas wrote:
> 2015-04-29 11:33:10 -0400, Chet Ramey:
> [...]
>> func()
>> {
>> 	local foo=bar
>> 	echo inside: $foo
>> }
>>
>> func
>> echo outside: $foo
>>
>> Bash gives the following output:
>>
>> ./x26: line 5: local: foo: readonly variable
>> inside: immutable
>> outside: immutable
>>
>> If the purpose of readonly is to make a particular name/value pair
>> immutable, I think that allowing a local variable to shadow it,
>> especially if you're going to export that local variable, is a bad thing.
> [...]
> 
> I don't agree.

OK, we can disagree.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/


  reply	other threads:[~2015-04-29 23:22 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-29  6:35 Martijn Dekker
2015-04-29 10:36 ` Peter Stephenson
2015-04-29 10:57   ` Mikael Magnusson
2015-04-29 11:01     ` Mikael Magnusson
2015-04-30  0:08       ` PATCH: Don't define internal params directly in hook function scope Mikael Magnusson
2015-04-30  4:01         ` Bart Schaefer
2015-04-30  8:44           ` Peter Stephenson
2015-04-30 11:18             ` Peter Stephenson
2015-04-29 11:09     ` Local readonly specials (was: Can't mark unset variables as read-only) Peter Stephenson
2015-04-29 13:46   ` [BUG] Can't mark unset variables as read-only Martijn Dekker
2015-04-29 13:55   ` Bart Schaefer
2015-04-29 14:41     ` Peter Stephenson
2015-04-29 15:33       ` Chet Ramey
2015-04-29 19:09         ` Stephane Chazelas
2015-04-29 23:22           ` Chet Ramey [this message]
2015-04-30  3:57         ` Bart Schaefer
  -- strict thread matches above, loose matches on Subject: below --
2015-04-29  5:48 Martijn Dekker

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