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Groups > gnu.bash.bug > #16875
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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Incorrect / Inconsistent behavior with nameref assignments in functions |
| Date | Mon, 31 Aug 2020 11:23:57 -0400 |
| Organization | ITS, Case Western Reserve University |
| Lines | 19 |
| Approved | bug-bash@gnu.org |
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On 8/28/20 11:28 AM, Greg Wooledge wrote: > > You've got a local variable with the same name as the global variable > that you're attempting to pass by reference. This will not work. > > Namerefs (declare -n) in bash are *not* like uplevel commands in Tcl. > They cause the referenced variable name to be evaluated just like any > other variable would be, starting at the current function scope, then > going up to the caller, and so on. Namerefs don't change bash's dynamic variable scoping. The two conflict and make namerefs less useful than they might be. -- ``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: Incorrect / Inconsistent behavior with nameref assignments in functions Chet Ramey <chet.ramey@case.edu> - 2020-08-31 11:23 -0400
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