bash-5.0 distribution sources and documentation
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tests/array25.sub
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70
tests/array25.sub
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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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