--- In firebird-support@yahoogroups.com, "Dan Cooperstock"
<dcoops@...> wrote:

> I also can't insist on other shareware such as WinZip being present.

WinZip, no - but 7-zip is free, open-source, and (IMHO) a better
program than WinZip anyway. I think you would be within your rights
to insist that 7-zip be installed; in addition, there's a
well-documented API for it.

Just my $.02...