In version 7 and later, the
also supports the output flag as used with capture, and
the flags option was also added.
Caveat: If any existing code writes to a file literal named
Also in version 7, the skiponfail option was added: if set,
<write> block will be skipped if the file fails to be
opened (as in previous versions).
Caveat: skiponfail defaults to off - so |