ui.dirdialog([prompt])
Displays a dialog box for the user to choose an existing directory.
Parameters
prompt
An optional string that gives the user indication for the selection.
Return value
The function returns the selected folder as a Directory object or nil if the user selected none.Example
local ui = require "ui"
-- open a dialog to choose an existing folder
local dir = ui.dirdialog("Please select a folder to count its entries : ")
-- checks if a folder has been selected
if dir ~= nil then
-- Outputs the number of the directory entries
ui.info("The choosen folder contains "..#dir.." entries")
end