Make scaffold.sh more POSIX compliant
Make scaffold.sh more POSIX compliant

Signed-off-by: Olivier Mehani <b6547e8761a9172c977da5c389270d45960e4aa0@ssji.net>

mytestbed/oml,mytestbed/oml,alco90/soml,lees0414/EUproject,mytestbed/oml,mytestbed/oml,alco90/soml,lees0414/EUproject,lees0414/EUproject,lees0414/EUproject,alco90/soml,alco90/soml,mytestbed/oml,alco90/soml,lees0414/EUproject