50 lines
1.1 KiB
Text
50 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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typeset -a a
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a=(1 2 3 4)
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typeset -A A
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A=([one]=1 [two]=2 [three]=3 [four]=4)
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unset 'a[0]'
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typeset -p a
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scalar=abcd
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echo ${scalar[0]}
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unset 'scalar[0]'
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echo ${scalar-unset}
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unset 'a[@]'
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typeset -p a
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unset 'A[@]'
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typeset -p A
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typeset -a a
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a=(1 2 3 4)
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typeset -A A
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A=([one]=1 [two]=2 [three]=3 [four]=4)
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# supported, recommended way to unset all array elements
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a=()
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typeset -p a
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A=()
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typeset -p A
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declare -a foo
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declare foo='(1 2 3)'
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declare foo[1]='(4 5 6)'
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declare -p foo
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