create a widget to get executable path preferences
local df = require "lib/dtutils.file" local widget = df.executable_path_widget(executables)
executables - table - a table of strings that are executable names
executable_path_widget takes a table of executable names and builds a set of file selector widgets to get the path to the executable. The resulting widgets are wrapped in a box widget and returned.
widget - widget - a widget containing a file selector widget for each executable.