[fpc-pascal] Custom file drivers

[Marco van de Voort]

In our previous episode, Anton Shepelev said:
> The  documentation  on  the FILE and TEXT types says
> that "nothing prevents the programmer, from  writing
> a  file  driver that stores its data for instance in
> memory." Is there a more detailed instruction or  an
> example illustrating how to do it?

Have a look at unit streamio in package fcl-base (packages/fcl-base/src)
which redirects a textfile to a stream.