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 | # | |
| a0c0a00f CR |
14 | IFS='' # testing with only empty IFS |
| 15 | ||
| 16 | set -- this is a test | |
| 17 | ||
| 18 | printf '|%s|\n' ${1+"$@"} | |
| 19 | echo | |
| 20 | printf '|%s|\n' "${1+$@}" | |
| 21 | echo | |
| 22 | printf '|%s|\n' "$@" | |
| 23 | echo | |
| 24 | ||
| 25 | printf '|%s|\n' ${1-"$@"} | |
| 26 | printf '|%s|\n' "${1-$@}" | |
| 27 | ||
| 28 | echo | |
| 29 | : ${foo:="$@"} | |
| 30 | printf '|%s|\n' "$foo" | |
| 31 | ||
| 32 | unset foo | |
| 33 | : "${foo:=$@}" | |
| 34 | printf '|%s|\n' "$foo" | |
| 35 | ||
| 36 | unset foo | |
| 37 | printf '|%s|\n' ${foo-"$@"} | |
| 38 | printf '|%s|\n' "${foo-$@}" |