$ printf ---%s---\\n test bash: printf: --: invalid option printf: usage: printf [-v var] format [arguments]
expected: ---test--- This seems to be the third bug I've found in bash's internal printf(1) which breaks conformance to POSIX. Could you either fix this, or else disable the printf (and possibly other) builtins entirely when bash is running in POSIX/sh mode? It's a source of breakage for real valid scripts! Disabling the builtins manually is not an option for sh scripts since the mechanism to disable them is bash-specific. Rich
