Take a look at B, which can be used to send a file to acme. Also you may want to familiarize yourself with plumb.
> Hello, > > Is there some idiom or method for using Acme as an external editor to some > other program? Say I want to use it as the editor that is spawned when I > do a CVS commit to a system; how would I do this, or can this even be > done? I'm using plan9ports, but I don't know how much of this question > relates to what. > > Aaron W. Hsu > > -- > Of all tyrannies, a tyranny sincerely exercised for the good of its > victims may be the most oppressive. -- C. S. Lewis