getOpenFile(n) on macOS
The text bd5d1da13bfd, as Mac OS X 10.6.8, Mac OS X 10.6.7, Mac OS X 10.6.6, Mac OS X 10.6.5, Mac OS X 10.6.4, Mac OS X 10.6.3, Mac OS X 10.6.2, Mac OS X 10.6.1, Mac OS X 10.6 shipped it.
pop up a dialog box for the user to select a file to open or save.
Flags it lists
-
-defaultextension -
-filetypes -
-initialdir -
-initialfile -
-message -
-multiple -
-parent -
-title -
-typevariable