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Groups > gnu.bash.bug > #11948
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|---|---|
| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: An array variable created by export/readonly builtins inside a function becomes a locale variable to that function unexpectedly |
| Date | Sat, 5 Dec 2015 15:18:09 -0500 |
| Organization | ITS, Case Western Reserve University |
| Lines | 20 |
| Approved | bug-bash@gnu.org |
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| To | ziyunfei <446240525@qq.com>, bug-bash@gnu.org |
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On 11/27/15 10:18 PM, ziyunfei wrote:
> $ ksh -c 'foo() { readonly a=(1);echo a=$a; }; foo; echo a=$a'
> a=1
> a=1
> $ bash -c 'foo() { readonly a=(1);echo a=$a; }; foo; echo a=$a' # a becomes a local variable
> a=1
> a=
Thanks for the report. I agree that this is a bug. `readonly' and
`export' should not create local variables when invoked within a function;
only declare/local/typeset should create local variables.
This will be fixed in the next release of bash.
Chet
--
``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/
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Re: An array variable created by export/readonly builtins inside a function becomes a locale variable to that function unexpectedly Chet Ramey <chet.ramey@case.edu> - 2015-12-05 15:18 -0500
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