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# tests with blank subscripts, indexed and associative 15 16echo 1. indexed: 17a[0]=0 a[1]=1 18 19v=" " 20 21echo reference: 22 23echo 1. ${a[ ]} 24echo 2. ${a[' ']} 25echo 3. "${a[ ]}" 26echo 4. ${a[$v]} 27echo 5. ${a["$v"]} 28echo 6. "${a[$v]}" 29 30echo assignment: 31 32echo -n 1. ; a[ ]=10 ; typeset -p a ; a[0]=0 33echo -n 2. ; a[" "]=11 ; typeset -p a ; a[0]=0 34echo -n 3. ; a[$v]=12 ; typeset -p a ; a[0]=0 35echo -n 4. ; a["$v"]=13 ; typeset -p a ; a[0]=0 36 37echo arithmetic: 38 39echo -n 1. ; (( a[ ]=10 )); typeset -p a ; a[0]=0 40echo -n 2. ; (( a[" "]=11 )); typeset -p a ; a[0]=0 41echo -n 3. ; (( a[$v]=12 )); typeset -p a ; a[0]=0 42echo -n 4. ; (( a["$v"]=13 )); typeset -p a ; a[0]=0 43echo -n 5. ; let "a[ ]=10" ; typeset -p a ; a[0]=0 44echo -n 6. ; let "a[\" \"]=11" ; typeset -p a ; a[0]=0 45echo -n 7. ; let "a[$v]=12" ; typeset -p a ; a[0]=0 46echo -n 8. ; let "a[\"$v\"]=13" ; typeset -p a ; a[0]=0 47 48unset -v a v 49 50echo 2. associative: 51shopt -s assoc_expand_once 52 53typeset -A a 54a[0]=0 a[1]=1 55 56v=" " 57 58echo reference: 59 60echo 1. ${a[ ]} 61echo 2. ${a[' ']} 62echo 3. "${a[ ]}" 63echo 4. ${a[$v]} 64echo 5. ${a["$v"]} 65echo 6. "${a[$v]}" 66 67echo assignment: 68 69echo -n 1. ; a[ ]=10 ; typeset -p a ; a[0]=0 70echo -n 2. ; a[" "]=11 ; typeset -p a ; a[0]=0 71echo -n 3. ; a[$v]=12 ; typeset -p a ; a[0]=0 72echo -n 4. ; a["$v"]=13 ; typeset -p a ; a[0]=0 73 74echo arithmetic: 75 76echo -n 1. ; (( a[ ]=10 )); typeset -p a ; a[0]=0 77echo -n 2. ; (( a[" "]=11 )); typeset -p a ; a[0]=0 78echo -n 3. ; (( a[$v]=12 )); typeset -p a ; a[0]=0 79echo -n 4. ; (( a["$v"]=13 )); typeset -p a ; a[0]=0 80echo -n 5. ; let "a[ ]=10" ; typeset -p a ; a[0]=0 81echo -n 6. ; let "a[\" \"]=11" ; typeset -p a ; a[0]=0 82echo -n 7. ; let "a[$v]=12" ; typeset -p a ; a[0]=0 83echo -n 8. ; let "a[\"$v\"]=13" ; typeset -p a ; a[0]=0 84