# Chars above 0x7f are used as special codes.
# 0x81 is CTLESC (see ash.c).
# The bug was that quoting and unquoting of them
# was out of sync for redirect filenames.

>unicode.sh
printf 'echo Ok >uni\x81code\n' >>unicode.sh
printf 'cat uni\x81code\n' >>unicode.sh
printf 'cat uni?code\n' >>unicode.sh
. ./unicode.sh
rm uni*code*
echo Done
