mirror of https://github.com/n-hys/bash.git
66 lines
1.4 KiB
Plaintext
66 lines
1.4 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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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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