mirror of https://github.com/n-hys/bash.git
85 lines
1.6 KiB
Plaintext
85 lines
1.6 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# a collection of cases in bug reports after bash-5.0-alpha was released
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declare -n r=v[0]
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v=(X); r=Y
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declare -p ${!v*}
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printf "%s: <%s>\n" "r" "$r" "v" "$v"
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unset -n r
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unset -v v
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declare -n ref=var; declare -a ref
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ref=(X)
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declare -p ref var
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unset -n ref
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unset -v var
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f() { declare -n ref=var; declare ref=(X); declare -p ref var; };
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f
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unset -f f
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f() { declare -n ref=var; declare -g ref=(X); declare -p ref var; };
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declare -n ref=foo
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f
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echo outside:
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declare -p foo
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unset -n ref
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unset -v foo
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unset -f f
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f() { declare -n ref=var; declare -a ref; ref=(X); declare -p ref var; }
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f
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echo outside:
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declare -p ref var
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unset -f f
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f() { declare -n ref=var; declare ref; ref=X; declare -p ref var; }
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f
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echo outside:
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declare -p ref var
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unset -f f
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unset -n ref; unset var
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f()
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{
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declare var=X; declare -n ref=var; declare ref=(Y)
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declare -p ref var
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}
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f
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unset -f f
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declare -n ref=var
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f() { local ref=Y; declare -p ref var; local; }
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var=X
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f
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unset -v var
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f
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unset -n ref
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unset -f f
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