tests/nameref11.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 r=/; declare -n r ; unset r
  15 declare -n r=/ ; unset -n r
  16 declare -n r; r=/ ; unset -n r
  17 declare -n r; declare r=/ ; unset -n r
  18 declare -n r; for r in /; do :; done ; unset -n r
  19 declare -n r; select r in /; do :; done <<< 1; echo x; echo $r ; unset -n r
  20 declare -n r; ((r=0)) ; unset -n r
  21 ((r=0)); declare -n r ; unset -n r
  22 r=/ declare -n r ; unset -n r
  23 f() { declare -n r; }; r=/ f ; unset r
  24 f() { echo $r; }; declare -n r; r=/ f ; unset -n r
  25 declare -n r; : ${r:=/} ; unset -n r
  26 declare -n r; exec {r}>/dev/null ; unset -n r
  27 declare -n r; coproc r { :; }; echo $r ; unset r ; wait
  28 declare -r RO=x; r=$RO; declare -n r; x=y; declare -n RO; RO=z; declare -p RO; echo "$RO"
  29 s=/; declare -n r=s; declare -n s; echo $r ; unset -n r ; unset -n s
  30 declare -n r=s; declare -n s; s=/ ; unset -n r; unset -n s
  31 declare -n r; getopts x r -h ; unset r; unset -n r
  32 declare -n r; mapfile r < /dev/null ; declare -p r; unset r ; unset -n r
  33 mapfile r < /dev/null; declare -n r ; unset r ; unset -n r
  34 declare -n r; printf -v r / ; unset -n r
  35
  36 declare -n r; r="" ; unset -n r
  37 declare -n r="" ; unset -n r
  38 declare -n r; : ${r=} ; unset -n r
  39 declare -n r; printf -v r '' ; unset -n r
  40 r=""; declare -n r ; unset -n r
  41 export r
  42
  43 # coproc tests, since coproc sets and unsets variables
  44 declare -r ROVAR=42
  45 declare -p ROVAR; coproc ROVAR { :; }; wait; declare -p ROVAR
  46
  47 echo ${@:0}; coproc @ { :; }; wait ; echo ${@:0}
  48
  49 declare -n ref=x; coproc ref { :; }; wait ; declare -p ref
  50 unset -n ref ; unset ref
  51
  52 declare -r RO RO_PID; coproc RO { :; }; declare -p RO_PID; wait; declare -p RO RO_PID
  53
  54 declare -r RO2=a; declare -n ref_PID=RO2; coproc ref { :; }; wait; declare -p RO2
  55
  56 unset x y
  57 set -- one two three
  58
  59 y=2
  60 typeset -n x=y
  61 echo ${x}
  62
  63 unset -n x
  64
  65 typeset -n y
  66 echo $y
  67
  68 unset -n y
  69
  70 typeset -n y
  71 y=2
  72 echo ${y}
  73
  74 declare -n foo=bar
  75 echo ${!foo[2]}
  76 echo ${!bar}