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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# inconsistency with quoted pattern substitution patterns through bash-4.2
# fixed in a ksh93-compatible (and Posix-compatible, in general) way
# NOT backwards compatible
test="weferfds'dsfsdf"
# why does this work, this list was born of frustration, I tried
# everything I could think of.
echo \'${test//"'"/\'\\\'\'}\'" "
#but none of the following
echo "'${test//"'"/}'"
echo "'${test//"'"/"'\\''"}'"
printf "%s\n" "'${test//"'"/\'\\'\'}'"
#echo "'${test//'/}'" # hangs waiting for '
#echo "'${test//"'"/'\\''}'" # hangs waiting for '
unset test
test=teststrtest
echo "${test//str/"dd dd"}"
echo ${test//str/"dd '\''dd"}
unset test
test=teststring
echo "${test//str/"dddd"}"
echo ${test//str/"dddd"}
echo ${test//str/"'"}
echo "${test//str/"'"}"
#echo "${test//str/'}" # hangs
test=test\'string
echo "${test//"'"/"'"}"
x="a'b'c"; echo "${x//\'/\'}"
printf '%s\n' "foo ${IFS+"b c"} baz"
# this is where the default behavior differs from posix
set -o posix
echo "foo ${IFS+'bar} baz"
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