From: Martijn Dekker <martijn@inlv.org>
To: zsh-workers@zsh.org
Subject: Re: [BUG] functions can't create global readonly variables
Date: Sat, 02 Jan 2016 20:39:25 +0100 [thread overview]
Message-ID: <5688276D.9000009@inlv.org> (raw)
In-Reply-To: <160101202710.ZM1896@torch.brasslantern.com>
Bart Schaefer schreef op 02-01-16 om 05:27:
> On Jan 2, 4:27am, Martijn Dekker wrote:
> } I don't know if this is intended behaviour for native zsh mode; the
> } 'zshbuiltins' man page does not mention anything about this.
>
> Of course it does:
I blame insufficient caffeination at the time of writing.
> } But it is certainly a bug for POSIX/'emulate sh' mode.
>
> I think it's undefined behavior for POSIX/'emulate sh'. Certainly bash
> agrees with us:
>
> $ foo() { typeset -r bar; typeset -p bar; }
> $ foo
> declare -r bar
> $ typeset -p bar
> bash: typeset: bar: not found
But 'typeset' is not POSIX. When using the POSIX 'readonly' special
builtin, bash acts like other POSIX shells and unlike zsh:
$ foo() { readonly bar=baz; typeset -p bar; }
$ foo
declare -r bar="baz"
$ typeset -p bar
declare -r bar="baz"
Thanks,
- M.
prev parent reply other threads:[~2016-01-02 19:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-02 3:27 Martijn Dekker
2016-01-02 4:27 ` Bart Schaefer
2016-01-02 18:18 ` Peter Stephenson
2016-01-02 20:36 ` Bart Schaefer
2016-01-03 19:00 ` Peter Stephenson
2016-01-03 19:21 ` Bart Schaefer
2016-01-02 19:39 ` Martijn Dekker [this message]
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