mirror of https://github.com/n-hys/bash.git
84 lines
2.3 KiB
Plaintext
84 lines
2.3 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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# tests with blank subscripts, indexed and associative
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echo 1. indexed:
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a[0]=0 a[1]=1
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v=" "
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echo reference:
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echo 1. ${a[ ]}
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echo 2. ${a[' ']}
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echo 3. "${a[ ]}"
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echo 4. ${a[$v]}
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echo 5. ${a["$v"]}
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echo 6. "${a[$v]}"
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echo assignment:
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echo -n 1. ; a[ ]=10 ; typeset -p a ; a[0]=0
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echo -n 2. ; a[" "]=11 ; typeset -p a ; a[0]=0
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echo -n 3. ; a[$v]=12 ; typeset -p a ; a[0]=0
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echo -n 4. ; a["$v"]=13 ; typeset -p a ; a[0]=0
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echo arithmetic:
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echo -n 1. ; (( a[ ]=10 )); typeset -p a ; a[0]=0
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echo -n 2. ; (( a[" "]=11 )); typeset -p a ; a[0]=0
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echo -n 3. ; (( a[$v]=12 )); typeset -p a ; a[0]=0
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echo -n 4. ; (( a["$v"]=13 )); typeset -p a ; a[0]=0
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echo -n 5. ; let "a[ ]=10" ; typeset -p a ; a[0]=0
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echo -n 6. ; let "a[\" \"]=11" ; typeset -p a ; a[0]=0
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echo -n 7. ; let "a[$v]=12" ; typeset -p a ; a[0]=0
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echo -n 8. ; let "a[\"$v\"]=13" ; typeset -p a ; a[0]=0
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unset -v a v
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echo 2. associative:
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shopt -s assoc_expand_once
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typeset -A a
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a[0]=0 a[1]=1
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v=" "
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echo reference:
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echo 1. ${a[ ]}
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echo 2. ${a[' ']}
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echo 3. "${a[ ]}"
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echo 4. ${a[$v]}
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echo 5. ${a["$v"]}
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echo 6. "${a[$v]}"
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echo assignment:
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echo -n 1. ; a[ ]=10 ; typeset -p a ; a[0]=0
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echo -n 2. ; a[" "]=11 ; typeset -p a ; a[0]=0
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echo -n 3. ; a[$v]=12 ; typeset -p a ; a[0]=0
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echo -n 4. ; a["$v"]=13 ; typeset -p a ; a[0]=0
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echo arithmetic:
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echo -n 1. ; (( a[ ]=10 )); typeset -p a ; a[0]=0
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echo -n 2. ; (( a[" "]=11 )); typeset -p a ; a[0]=0
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echo -n 3. ; (( a[$v]=12 )); typeset -p a ; a[0]=0
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echo -n 4. ; (( a["$v"]=13 )); typeset -p a ; a[0]=0
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echo -n 5. ; let "a[ ]=10" ; typeset -p a ; a[0]=0
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echo -n 6. ; let "a[\" \"]=11" ; typeset -p a ; a[0]=0
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echo -n 7. ; let "a[$v]=12" ; typeset -p a ; a[0]=0
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echo -n 8. ; let "a[\"$v\"]=13" ; typeset -p a ; a[0]=0
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