mirror of
https://https.git.savannah.gnu.org/git/bash.git
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Chet Ramey
74 lines
1.7 KiB
Plaintext
74 lines
1.7 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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# post-bash-5.2 changes to make readonly/export operate on arrays at previous
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# local scopes the way they operate on scalars
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declare string
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declare -i int
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declare -a array
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init_vars ()
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{
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readonly string="foo" readonly int=100 readonly array=(1 2)
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# Print the (hopefully) readonly variables
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echo inside init_vars acting on previous scope
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local -p string int array
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}
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echo global initial
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declare -p string int array
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# make readonly operate on local variables at a previous context
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foo ()
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{
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local string ; local -i int ; local -a array
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init_vars
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echo inside foo, after init_vars
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local -p string int array
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}
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foo
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echo global after foo
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declare -p string int array
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unset -f foo
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init_vars2 ()
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{
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readonly int=100+42
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echo init_vars2
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local -p int # previous scope, not local here
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}
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foo2 ()
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{
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local -i int
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init_vars2
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echo foo2, after init_vars2
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local -p int
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}
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foo2
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echo global after calling foo2
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declare -p int
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foo3()
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{
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init_vars
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}
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foo3
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echo global values after foo placeholder
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declare -p string int array
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