On Sat, 17 Mar 2007, Jeremy C. Reed wrote:
> > /bin/sh is a symlink to dash, and that shell is not POSIX-compliant. In
> > particular,
> > 
> > "echo '\400'" echoes an @ character.

POSIX allows that:  "If the first operand is -n, or if any of the
operands contain a backslash ('\') character, the results are
implementation-defined."

It's better to avoid using echo(1).  Use printf(1) with the "%s\n" format.

--apb (Alan Barrett)