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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Arithmetic expansion in rediretion word is evaluated twice |
| Date | Wed, 3 Jun 2020 09:50:38 -0400 |
| Organization | ITS, Case Western Reserve University |
| Lines | 26 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.1056.1591192307.2541.bug-bash@gnu.org> (permalink) |
| References | <87sgfdeyrp.fsf@hobgoblin.ariadne.com> <527bf967-3b22-d2ca-538e-98a2252047ad@case.edu> |
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| To | "Dale R. Worley" <worley@alum.mit.edu> |
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On 6/2/20 9:14 PM, Dale R. Worley wrote: > Chet Ramey <chet.ramey@case.edu> writes: >> On 6/1/20 3:34 PM, Oguz wrote: >>> See: >>> >>> $ unset foo >>> $ : <$((foo+=42)) >>> bash: 84: No such file or directory >>> $ echo $foo >>> 84 >> >> Yes. The redirection is evaluated once for the open and again for the >> error message. > > That does seem rather a bug, or at least, a poor error message. Is it > hard to save the string that was attempted to be opened? It's clumsy. The code isn't really structured to make this easy. I'll put it on the list to take a look at. 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: Arithmetic expansion in rediretion word is evaluated twice Chet Ramey <chet.ramey@case.edu> - 2020-06-03 09:50 -0400
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