projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| 8868edaf CR |
1 | # This program is free software: you can redistribute it and/or modify |
| 2 | # it under the terms of the GNU General Public License as published by | |
| 3 | # the Free Software Foundation, either version 3 of the License, or | |
| 4 | # (at your option) any later version. | |
| 5 | # | |
| 6 | # This program is distributed in the hope that it will be useful, | |
| 7 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 8 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 9 | # GNU General Public License for more details. | |
| 10 | # | |
| 11 | # You should have received a copy of the GNU General Public License | |
| 12 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 13 | # | |
| ac50fbac CR |
14 | function reorder |
| 15 | { | |
| 16 | (( x[1] < x && (x=x[1], x[1]=$x) )) | |
| 17 | echo "${x[@]}" | |
| 18 | } | |
| 19 | ||
| 20 | x=(123 456) | |
| 21 | reorder | |
| 22 | x=(456 123) | |
| 23 | reorder | |
| 24 | ||
| 25 | unset x | |
| 26 | unset -f reorder | |
| 27 | ||
| 28 | function reorder | |
| 29 | { | |
| 30 | (( x[1] < x[0] && (x=x[1], x[1]=$x) )) | |
| 31 | echo "${x[@]}" | |
| 32 | } | |
| 33 | ||
| 34 | x=(123 456) | |
| 35 | reorder | |
| 36 | x=(456 123) | |
| 37 | reorder | |
| 38 | ||
| 39 | unset x | |
| 40 | unset -f reorder | |
| 41 | ||
| 42 | function reorder | |
| 43 | { | |
| 44 | (( x[1] < x[0] && (x[0]=x[1], x[1]=$x) )) | |
| 45 | echo "${x[@]}" | |
| 46 | } | |
| 47 | ||
| 48 | x=(123 456) | |
| 49 | reorder | |
| 50 | x=(456 123) | |
| 51 | reorder | |
| 52 | ||
| 53 | unset -f reorder | |
| 54 | ||
| 55 | n=0 ; (( (a[n]=++n)<7&&a[0])); echo "${a[@]:1}" | |
| 56 | ||
| 57 | n=0 a="(a[n]=++n)<7&&a[0]"; ((a[0])); echo "${a[@]:1}" | |
| 58 | ||
| 59 | n=0 a="(a[n]=n++)<7&&a"; ((a)); echo "${a[@]:1}" | |
| 60 | ||
| 61 | # bugs with lvalue caching and pointer aliasing through bash-4.2 | |
| 62 | echo $(( a=(y[0] + y[1]) & 0xff, b=(y[2] + y[3]) & 0xff, a << 8 | b)) | |
| 63 | echo $a, $b | |
| 64 | ((a = y[0], b = 1 )) | |
| 65 | echo $a, $b |