tests/quote1.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 # inconsistency with quoted pattern substitution patterns through bash-4.2
  15 # fixed in a ksh93-compatible (and Posix-compatible, in general) way
  16 # NOT backwards compatible
  17
  18 test="weferfds'dsfsdf"
  19
  20 # why does this work, this list was born of frustration, I tried
  21 # everything I could think of.
  22 echo \'${test//"'"/\'\\\'\'}\'" "
  23
  24 #but none of the following
  25
  26 echo "'${test//"'"/}'"
  27
  28 echo "'${test//"'"/"'\\''"}'"
  29
  30 printf "%s\n" "'${test//"'"/\'\\'\'}'"
  31
  32 #echo "'${test//'/}'"   # hangs waiting for '
  33 #echo "'${test//"'"/'\\''}'" # hangs waiting for '
  34
  35 unset test
  36 test=teststrtest
  37 echo "${test//str/"dd dd"}"
  38 echo ${test//str/"dd '\''dd"}
  39
  40 unset test
  41 test=teststring
  42
  43 echo "${test//str/"dddd"}"
  44
  45 echo ${test//str/"dddd"}
  46
  47 echo ${test//str/"'"}
  48
  49 echo "${test//str/"'"}"
  50
  51 #echo "${test//str/'}"   # hangs
  52
  53 test=test\'string
  54 echo "${test//"'"/"'"}"
  55
  56 x="a'b'c"; echo "${x//\'/\'}"
  57
  58 printf '%s\n' "foo ${IFS+"b   c"} baz"
  59
  60 # this is where the default behavior differs from posix
  61 set -o posix
  62 echo "foo ${IFS+'bar} baz"