mirror of https://github.com/n-hys/bash.git
131 lines
2.1 KiB
Plaintext
131 lines
2.1 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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typeset -A a=( [\\]= [\"]= [\)]= ) b
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for x in "${!a[@]}"; do b[$x]=; done
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b+=([\`]= [\]]=)
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typeset -p b
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for x in "${!a[@]}"; do
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unset -v 'b[$x]'
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done
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typeset -p b
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unset -v a b
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loaddict()
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{
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dict['"']=1
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dict['`']=2
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dict["'"]=3
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dict['\']=4
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declare -p dict
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}
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del()
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{
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unset -v dict["$1"];
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}
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declare -A dict
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loaddict
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for k in "${!dict[@]}"; do del "$k"; done
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declare -p dict
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unset 'dict[@]'
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shopt -s assoc_expand_once
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declare -A dict
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loaddict
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for k in "${!dict[@]}"; do del "$k"; done
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declare -p dict
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unset a b dict
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typeset -A a
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b="80's"
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((++a[$b]))
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((++a["$b"]))
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[[ $((++a[$b])) ]]
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[[ $((++a["$b"])) ]]
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echo ${a["$b"]}
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echo ${a[$b]}
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let "++a[$b]"
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echo 'a[$b]=' "${a[$b]}"
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unset a b
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declare -A a
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b="80's"
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: ${a[$b]:='Depeche Mode'}
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declare -p a
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unset a b
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shopt -u assoc_expand_once
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typeset -A a
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b="80's"
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read a[$b] <<<"Depeche Mode"
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typeset -p a
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shopt -s assoc_expand_once
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read a[$b] <<<"Depeche Mode"
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typeset -p a
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unset a
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shopt -u assoc_expand_once
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typeset -A a
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printf -v a[$b] "%s" "Depeche Mode"
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typeset -p a
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shopt -s assoc_expand_once
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printf -v a[$b] "%s" "Depeche Mode"
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typeset -p a
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unset a
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declare -A a
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x='$(date >&2)'
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a[$x]=5
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shopt -s assoc_expand_once
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echo $((1+a[$x]))
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echo $((1+a[\$x]))
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echo "1+${a[$x]}"
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declare -p a
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shopt -s assoc_expand_once
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declare -A myarray
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declare myarray["foo[bar"]=bleh
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myarray["foo"]=bleh
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declare -p myarray
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key='$(date >&2)'
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declare -A aa
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aa[$key]=foo
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echo "${aa[$key]}"
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[[ -v aa[$key] ]] || echo bad assoc expansion
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