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# 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 "'${test//"'"/"'\\''"}'"
echo "'${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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