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/>.
22 foo=${parameter:=$var}
27 unset -v foo parameter
29 foo=${parameter:="$var"}
34 unset -v foo parameter
36 foo="${parameter:=$var}"
41 unset -v foo parameter
43 recho ${parameter:=a\ b}
46 recho ${parameter:="a b"}
51 recho ${parameter:=$v}
54 recho ${parameter:="$v"}
59 set " abc " " def ghi " "jkl "
61 var=${var-$*}/${var-$*}
62 printf '[%s]\n' "$var"
66 printf '[%s]\n' "$var"
69 : ${var:=$*/$*/${var-$*}}
70 printf '[%s]\n' "$var"