head -c option not supported on Darwin
we are using one instance of the head -c option, which is not supported on Darwin:
servo:~/cmrg/monkeysphere/git 0$ grep -Rn 'head -c' src/ src/share/ma/setup:60: local CORE_UID=$(printf "Monkeysphere authentication trust core UID (random string: %s)" $(head -c21is there an alternative we can use here?
(from redmine: created on 2009-04-06, closed on 2009-04-07)