tests/rhs-exp1.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 # fixes for bugs in bash-4.2 regarding empty strings in expand_string_for_rhs
  15
  16 f=abc
  17 recho ${f##""a}
  18 recho ${f##"$v"a}
  19
  20 recho ${f%%""c}
  21 recho ${f%%"$v"c}
  22
  23 recho ${f//""a}
  24 recho ${f//"$v"a}
  25
  26 recho ${f/""a""b/}
  27 recho ${f/""c/}
  28 recho ${f/"$v"c/}
  29
  30 unset foo empty
  31 foo=aabbcc
  32
  33 recho ${foo/bb/}
  34 recho ${foo/bb/$empty}
  35
  36 recho ${foo/}
  37 recho ${empty/}
  38
  39 recho ${foo/ }
  40 recho ${empty/ }
  41 unset foo empty
  42
  43 S2=oenophile
  44
  45 recho ${S2^"$v"[aeiou]}
  46 recho ${S2^^"$v"[aeiou]}
  47
  48 recho ${foo:-""}
  49 recho ${foo:-""abc}
  50
  51 recho "${foo:-''}"
  52 recho "${foo:-}"
  53
  54 if [[ $var == "" ]]; then
  55         echo good 1
  56 fi
  57
  58 if [[ "$var"X == ""X ]]; then
  59         echo good 2
  60 fi
  61
  62 if [ "$var"X == ""X"" ]; then
  63         echo good 3
  64 fi
  65
  66 if [ X"" == X ]; then
  67         echo good 4
  68 fi
  69
  70 if [[ X"" == X ]]; then
  71         echo good 5
  72 fi
  73
  74 case x"" in
  75   x) echo 'ok 1'
  76      ;;
  77   x??) echo 'this would be really odd'
  78      ;;
  79   x?) echo 'does this prove anything?'
  80       echo x""x
  81      ;;
  82   *) echo 'no match'
  83      ;;
  84 esac
  85
  86 if [[ x"" == x ]]; then
  87         echo ok 2
  88 fi
  89
  90 if [[ x"\ 1" == x"\ 1" ]]; then
  91         echo ok 3
  92 else
  93         echo bad 3
  94 fi
  95
  96 case x"\ 1" in
  97 x"\ 1")   echo ok 4 ;;
  98 *)      echo bad 4;;
  99 esac
 100
 101 if [[ x"\7f" == x"\7f" ]]; then
 102         echo ok 5
 103 else
 104         echo bad 5
 105 fi
 106
 107 case x"\7f" in
 108 "x\7f")   echo ok 6 ;;
 109 *)      echo bad 6;;
 110 esac
 111
 112 case x"" in
 113 "x\7f")   echo CTLNUL 7 ;;
 114 x)      echo ok 7 ;;
 115 *)      echo bad 7 ;;
 116 esac