xml-dev - RE: User passed Arguments for Entities

[Gavin Thomas Nicol <gtn@ebt.com>]

> No hacking or home-made conventions required if you're using the SP
> toolset (which handles XML as easily as any other kind of SGML).  A
> formal system identifier (FSI) for standard input looks like "<osfd>0".

Something roughly akin to this is using a named pipe, which I used to
do. I'd have a entity declaration dereferencing a named pipe which
would execute the program to return the content. Pretty good for
getting the current date or somesuch.