On 12/16/2016 02:40 PM, Eric Blake wrote:
> bash 4.4 now warns about skipping NUL bytes in $(command), since
> command substitution is only well-formed for commands that output
> text, but NUL bytes are not text.  Silence the warning by removing
> NUL bytes from the stream before bash can see them.
> ---

As usual for me, I hit send too soon :)  I should have mentioned that
this was a patch for cygport, based on the report here:
https://cygwin.com/ml/cygwin/2016-12/msg00182.html

The patch works fine on bash 4.3.x, and shuts up the new warning present
in bash 4.4.x

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org