_____________________________________________________________
starlogo-directory
= used for the observer, 
= used for turtles, 
= used for patches
_____________________________________________________________
starlogo-directory
Reports the current directory that the starlogo application is in.
_____________________________________________________________
project-directory
Reports the directory that the current project is in. If there is no
named project then it returns false.
_____________________________________________________________
project-name
Reports the current project file name. (without the pathname).
If there is no named project, then it returns false.
_____________________________________________________________
save-project
Saves the current project to the file. Equivalent to doing command-s or
hitting the save project menu item.
_____________________________________________________________
choose-directory-dialog
Pops up a dialog and lets the user pick a directory. It returns
the directory that the user picked, or false if he hit the cancel button.
_____________________________________________________________
choose-file-dialog
Pops up a dialog and lets the user pick a file. It returns
the file (full pathname) that the user picked, or false if he hit the
cancel button.
_____________________________________________________________
choose-new-file-dialog
Pops up a dialog and lets the user create a new file name. It returns
the filename (full pathname) that the user picked, or false if he hit the
cancel button.
_____________________________________________________________
;;current-filename
_____________________________________________________________
export-turtles filename
Saves the turtles to a file.
_____________________________________________________________
export-patches filename
Saves the patches to a file.
_____________________________________________________________
export-turtles-and-patches filename
Saves the turtles and the patches to a file.
_____________________________________________________________
import-turtles
Loads turtles from a file. Lets the user pick the file from a file dialog.
_____________________________________________________________
import-patches
Loads patches from a file. Lets the user pick the file from a file dialog.
_____________________________________________________________
import-turtles-and-patches
Loads turtles and patches from a file. Lets the user pick the file from a
file dialog.
=============================================================
