40 lines
1.1 KiB
Text
40 lines
1.1 KiB
Text
# 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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#
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# make sure indirect expansion for arrays uses the closest-scope instance
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# of the resulting variable name
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array_1=("PASS")
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array_2=("1 foo" "2 foo")
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unsafe_fn ()
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{
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local array_1=('HELLO')
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local a=("${!1}") b=("${!2}")
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printf '%s;' "${a[@]}" "${b[@]}"
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printf '\n'
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}
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safe_fn ()
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{
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local a=("${!1}") b=("${!2}")
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local array_1=('FAIL')
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printf '%s;' "${a[@]}" "${b[@]}"
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printf '\n'
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}
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unsafe_fn 'array_1[@]' 'array_2[@]'
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safe_fn 'array_1[@]' 'array_2[@]'
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echo after: ${array_1[@]}
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