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Groups > gnu.bash.bug > #14835
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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: AW: Misbehavior with constants and bash script |
| Date | Tue, 20 Nov 2018 09:39:43 -0500 |
| Lines | 19 |
| Approved | bug-bash@gnu.org |
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| To | Alexander Reintzsch <Alexander.Reintzsch@netsystem.de>, "bug-bash@gnu.org" <bug-bash@gnu.org> |
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On 11/20/18 6:38 AM, Alexander Reintzsch wrote: > and if I add an empty command after the assignment statement it behaves as expected. > > echo "A" > declare -r vconst="I am fixed." > echo "B" > vconst="new value" : # please note the : at the end. (no operation command) > echo "C" # now printed I would use `true'. `:' is a special builtin, and a POSIX interpretation clarified that a non-interactive shell is supposed to exit if a variable assignment error occurs when the assignment precedes a special builtin. -- ``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: AW: Misbehavior with constants and bash script Chet Ramey <chet.ramey@case.edu> - 2018-11-20 09:39 -0500
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