tests/array16.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 foo[0]=a
  15 foo[1]=b
  16
  17 [[ -v foo[1] ]] && echo foo index 1: ok
  18 [[ -v foo[2] ]] || echo foo index 2: ok
  19
  20 [[ -v foo ]] && echo foo: implicit reference to element 0: ok
  21
  22 typeset -i foo
  23
  24 [[ -v foo[1] ]] && echo foo: arithmetic evaluation: ok
  25
  26 typeset -a bar
  27 bar[1]=set
  28
  29 [[ -v bar ]] || echo bar: array with element zero unset: ok
  30 [[ -v bar[0] ]] || echo bar: element zero: ok
  31
  32 typeset -a qux
  33 [[ -v qux ]] || echo qux: unset array: ok
  34 [[ -v qux[0] ]] || echo qux: unset array element 0: ok
  35
  36 unset -v a
  37 a[1]=set
  38
  39 [[ -v a ]] ; echo $?
  40 [[ -v a[1] ]] ; echo $?
  41 [[ -v a[@] ]] ; echo $?
  42
  43 [[ ${#a[@]} > 0 ]]; echo $?