> Date: Wed, 26 Jul 2023 17:32:03 +0200 > From: tlaro...@polynum.com > > If setting LC_CTYPE to this: > > $ export LC_CTYPE=fr_FR.ISO8859-15 > > and then: > > $ echo "éé" | sed 's/é/\é/g' > sed: 1: "s/é/\é/g": RE error: trailing backslash (\) > > Where does the program manage to find a backslash i.e. 0134? While > 'é' is 0351.
Exactly what bytes are passed as an argument to sed? Can you write a program that will hexdump argv[1] and pass the same argument to it? Next step, if that reveals the expected 0xe9, is to find exactly what string is passed to regcomp inside sed.
