65 lines
1.1 KiB
Text
65 lines
1.1 KiB
Text
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# testing behavior of command substitution as one of expansions performed by
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# array subscripting; should behave the same directly as when done through
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# a nameref
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x[0]=42
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zero=0
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f() { typeset -n foo="$1"; declare -p foo; echo "$foo"; }
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f 'x[$zero]'
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x[$(echo 0)]=4
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declare -p x
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f 'x[$(echo 0)]'
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unset -f f
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f()
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{
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typeset -n foo="$1";
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echo "x[i=0$(echo comsub >&2)]"
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echo "${x[i=0$(echo comsub >&2)]}"
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echo "${!1}"
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echo "$foo"
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}
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f 'x[i=0$(echo comsub >&2)]'
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unset -f f
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unset x
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# problems with unset and namerefs pointing to non-existent variables pointed
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# out after bash-4.3 released
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typeset -n foo=somevariable
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foo=bar
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unset foo # unsets somevariable
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typeset -p foo somevariable
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echo foo = $foo
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typeset -A foo # should create array variable named somevariable
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foo["jug"]="brown"
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typeset -p foo somevariable
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typeset -A foo='([jug]="brown" )'
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typeset -p foo somevariable
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unset foo
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typeset -p foo somevariable
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unset -n foo
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typeset -p foo somevariable
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unset bar
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typeset -n foo=bar
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typeset -p foo bar
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unset foo
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typeset -p foo bar
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typeset -i foo
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foo=4+4
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typeset -p foo bar
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echo "$foo"
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unset foo
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typeset -p foo bar
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