53 lines
762 B
Text
53 lines
762 B
Text
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function reorder
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{
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(( x[1] < x && (x=x[1], x[1]=$x) ))
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echo "${x[@]}"
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}
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x=(123 456)
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reorder
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x=(456 123)
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reorder
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unset x
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unset -f reorder
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function reorder
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{
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(( x[1] < x[0] && (x=x[1], x[1]=$x) ))
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echo "${x[@]}"
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}
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x=(123 456)
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reorder
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x=(456 123)
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reorder
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unset x
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unset -f reorder
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function reorder
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{
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(( x[1] < x[0] && (x[0]=x[1], x[1]=$x) ))
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echo "${x[@]}"
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}
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x=(123 456)
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reorder
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x=(456 123)
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reorder
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unset -f reorder
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n=0 ; (( (a[n]=++n)<7&&a[0])); echo "${a[@]:1}"
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n=0 a="(a[n]=++n)<7&&a[0]"; ((a[0])); echo "${a[@]:1}"
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n=0 a="(a[n]=n++)<7&&a"; ((a)); echo "${a[@]:1}"
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# bugs with lvalue caching and pointer aliasing through bash-4.2
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echo $(( a=(y[0] + y[1]) & 0xff, b=(y[2] + y[3]) & 0xff, a << 8 | b))
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echo $a, $b
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((a = y[0], b = 1 ))
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echo $a, $b
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