Add -a Option to list.lua

This PR simple adds a -a Option to list.lua which allows you to see hidden Files, even if the list.show_hidden setting is false.

src/main/resources/assets/computercraft/lua/rom/programs/list.lua

@@ -3,7 +3,14 @@ local tArgs = { ... }

-- Get all the files in the directory
local sDir = shell.dir()
if tArgs[1] ~= nil then
local bShowHiddenOption

if tArgs[1] == "-a" then
    bShowHiddenOption = true
    if tArgs[2] ~= nil then
        sDir = shell.resolve( tArgs[2] )
    end
elseif tArgs[1] ~= nil then
    sDir = shell.resolve( tArgs[1] )
end

@@ -17,9 +24,9 @@ local tAll = fs.list( sDir )
local tFiles = {}
local tDirs = {}

local bShowHidden = settings.get( "list.show_hidden" )
local bShowHiddenSetting = settings.get( "list.show_hidden" )
for n, sItem in pairs( tAll ) do
    if bShowHidden or string.sub( sItem, 1, 1 ) ~= "." then
    if bShowHiddenSetting or string.sub( sItem, 1, 1 ) ~= "." or bShowHiddenOption then
        local sPath = fs.combine( sDir, sItem )
        if fs.isDir( sPath ) then
            table.insert( tDirs, sItem )