sh/tests/expansion/length4.0

   1 # $FreeBSD: head/bin/sh/tests/expansion/length4.0 220655 2011-04-15 15:26:05Z jilles $
   2
   3 # The construct ${#?} is ambiguous in POSIX.1-2008: it could be the length
   4 # of $? or it could be $# giving an error in the (impossible) case that it
   5 # is not set.
   6 # We use the former interpretation; it seems more useful.
   7
   8 :
   9 [ "${#?}" = 1 ] || echo '${#?} wrong'
  10 (exit 42)
  11 [ "${#?}" = 2 ] || echo '${#?} wrong'