> As far as setting file mark position, since all of the FB commands seem
> geared toward records, i plan to do most of my file work by calling toolbox
> routines (SetFPos, etc).. Does this seem appropriate?

Whenever I want to be able to set the file mark to an arbitrary
position, I first open the file with a record size of 1, e.g.:

  OPEN "I" #1, filename$, 1, vRefNum%

Then I just use the RECORD command to set the mark.

- Rick