tests/exp13.sub

   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 #
  14 unset a
  15
  16 echo ${a:=foo}
  17 declare -p a
  18
  19 unset a
  20
  21 declare -i a
  22 echo ${a:=4+3}
  23 declare -p a
  24
  25 unset a
  26 echo ${a:=42}
  27 declare -p a
  28
  29 unset a
  30 declare -u A
  31 A=
  32 echo ${A:=foo}
  33
  34 declare -p A