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| From | don fong <dfong@dfong.com> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: misleading error message from variable modifier |
| Date | Thu, 1 Mar 2018 09:24:29 -0800 |
| Lines | 26 |
| Sender | dfong@dfong.org |
| Approved | bug-bash@gnu.org |
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| References | <CAHQakpWxVECCU_LgGmGFXo7_Pftm0rw4Cn8xoZbSqnTOdCZgUQ@mail.gmail.com> <268f06ff-55ee-4364-fa75-54081dc7869a@case.edu> |
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| To | Chester Ramey <chet.ramey@case.edu> |
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any feedback on this patch?
On Sat, Feb 24, 2018 at 11:24 AM, Chet Ramey <chet.ramey@case.edu> wrote:
> On 2/23/18 10:20 PM, don fong wrote:
> > hi folks. i'm a bash user, who just noticed a slight anomaly. it has
> > to with the shell variable modifier ${parameter?} . according to the
> > man page, ${X?} should yield an error message and exit if X is unset,
> > otherwise the value of X. in this case,
> >
> > unset X; echo ${X?}
> >
> > i expect to get an error message, and indeed an error message results.
> >
> > bash: X: parameter null or not set
> >
> > but i think the error message is misleading.
>
> Thanks for the report and patch. I'll take a look.
>
> Chet
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
> ``Ars longa, vita brevis'' - Hippocrates
> Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
>
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Re: misleading error message from variable modifier don fong <dfong@dfong.com> - 2018-03-01 09:24 -0800
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