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.
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.
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/>.
14 set -- "abc" "def ghi" "jkl"
19 echo 'IFS=: ${var-$*}'
20 unset var; printf '%s\n' ${var-$*}
21 printf '%s\n' ${var-${A[*]}}
24 echo 'IFS=: ${var=$*}'
26 unset var; printf '%s\n' ${var=$*}
27 printf 'var=%s\n' "$var"
29 unset var; printf '%s\n' ${var=${A[*]}}
30 printf 'var=%s\n' "$var"
33 echo 'IFS=: ${var+$*}'
35 printf '%s\n' ${var+$*}
36 printf '%s\n' ${var+${A[*]}}
42 unset var; printf '%s\n' ${var-$*}
43 unset var; printf '%s\n' ${var-${A[*]}}
49 printf '%s\n' ${var=$*}
50 printf 'var=%s\n' "$var"
53 printf '%s\n' ${var=${A[*]}}
54 printf 'var=%s\n' "$var"
59 printf '%s\n' ${var+$*}
60 printf '%s\n' ${var+${A[*]}}