View difference between Paste ID: LzEYgSZi and hvy03JuM

 function loadstring(code, env)
 	local e = _G
 	local name = "@code"
 	if type(env) == "table" then e = env
 	elseif type(env) == "string" then name = env end
 	return load(code, name, "t", e)
 end
 
 -- Load in expect from the module path.
 --
 -- Ideally we'd use require, but that is part of the shell, and so is not
 -- available to the BIOS or any APIs. All APIs load this using dofile, but that
 -- has not been defined at this point.
 local expect
 
 do
     local h = fs.open("rom/modules/main/cc/expect.lua", "r")
     local f, err = loadstring(h.readAll(), "@expect.lua")
     h.close()
 
     if not f then error(err) end
     expect = f().expect
 end
 
 if _VERSION == "Lua 5.1" then
     -- If we're on Lua 5.1, install parts of the Lua 5.2/5.3 API so that programs can be written against it
     local type = type
     local nativeload = load
     local nativeloadstring = loadstring
     local nativesetfenv = setfenv
 
     --- Historically load/loadstring would handle the chunk name as if it has
     -- been prefixed with "=". We emulate that behaviour here.
     local function prefix(chunkname)
         if type(chunkname) ~= "string" then return chunkname end
         local head = chunkname:sub(1, 1)
         if head == "=" or head == "@" then
             return chunkname
         else
             return "=" .. chunkname
         end
     end
 
     function load( x, name, mode, env )
         expect(1, x, "function", "string")
         expect(2, name, "string", "nil")
         expect(3, mode, "string", "nil")
         expect(4, env, "table", "nil")
 
         local ok, p1, p2 = pcall( function()
             if type(x) == "string" then
                 local result, err = nativeloadstring( x, name )
                 if result then
                     if env then
                         env._ENV = env
                         nativesetfenv( result, env )
                     end
                     return result
                 else
                     return nil, err
                 end
             else
                 local result, err = nativeload( x, name )
                 if result then
                     if env then
                         env._ENV = env
                         nativesetfenv( result, env )
                     end
                     return result
                 else
                     return nil, err
                 end
             end
         end )
         if ok then
             return p1, p2
         else
             error( p1, 2 )
         end
     end
     table.unpack = unpack
     table.pack = function( ... ) return { n = select( "#", ... ), ... } end
 
     if _CC_DISABLE_LUA51_FEATURES then
         -- Remove the Lua 5.1 features that will be removed when we update to Lua 5.2, for compatibility testing.
         -- See "disable_lua51_functions" in ComputerCraft.cfg
         setfenv = nil
         getfenv = nil
         loadstring = nil
         unpack = nil
         math.log10 = nil
         table.maxn = nil
     else
         loadstring = function(string, chunkname) return nativeloadstring(string, prefix( chunkname )) end
 
         -- Inject a stub for the old bit library
         _G.bit = {
             bnot = bit32.bnot,
             band = bit32.band,
             bor = bit32.bor,
             bxor = bit32.bxor,
             brshift = bit32.arshift,
             blshift = bit32.lshift,
             blogic_rshift = bit32.rshift,
         }
     end
 end
 
 if _VERSION == "Lua 5.3" and not bit32 then
     -- If we're on Lua 5.3, install the bit32 api from Lua 5.2
     -- (Loaded from a string so this file will still parse on <5.3 lua)
     load( [[
         bit32 = {}
 
         function bit32.arshift( n, bits )
             if type(n) ~= "number" or type(bits) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return n >> bits
         end
 
         function bit32.band( m, n )
             if type(m) ~= "number" or type(n) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return m & n
         end
 
         function bit32.bnot( n )
             if type(n) ~= "number" then
                 error( "Expected number", 2 )
             end
             return ~n
         end
 
         function bit32.bor( m, n )
             if type(m) ~= "number" or type(n) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return m | n
         end
 
         function bit32.btest( m, n )
             if type(m) ~= "number" or type(n) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return (m & n) ~= 0
         end
 
         function bit32.bxor( m, n )
             if type(m) ~= "number" or type(n) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return m ~ n
         end
 
         function bit32.lshift( n, bits )
             if type(n) ~= "number" or type(bits) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return n << bits
         end
 
         function bit32.rshift( n, bits )
             if type(n) ~= "number" or type(bits) ~= "number" then
                 error( "Expected number, number", 2 )
             end
             return n >> bits
         end
     ]] )()
 end
 
 -- Install lua parts of the os api
 function os.version()
     return "CraftOS 1.8"
 end
 
 function os.pullEventRaw( sFilter )
     return coroutine.yield( sFilter )
 end
 
 function os.pullEvent( sFilter )
     local eventData = table.pack( os.pullEventRaw( sFilter ) )
     if eventData[1] == "terminate" then
         error( "Terminated", 0 )
     end
     return table.unpack( eventData, 1, eventData.n )
 end
 
 -- Install globals
 function sleep( nTime )
     expect(1, nTime, "number", "nil")
     local timer = os.startTimer( nTime or 0 )
     repeat
         local _, param = os.pullEvent( "timer" )
     until param == timer
 end
 
 function write( sText )
     expect(1, sText, "string", "number")
 
     local w, h = term.getSize()
     local x, y = term.getCursorPos()
 
     local nLinesPrinted = 0
     local function newLine()
         if y + 1 <= h then
             term.setCursorPos(1, y + 1)
         else
             term.setCursorPos(1, h)
             term.scroll(1)
         end
         x, y = term.getCursorPos()
         nLinesPrinted = nLinesPrinted + 1
     end
 
     -- Print the line with proper word wrapping
     while #sText > 0 do
         local whitespace = string.match( sText, "^[ \t]+" )
         if whitespace then
             -- Print whitespace
             term.write( whitespace )
             x, y = term.getCursorPos()
             sText = string.sub( sText, #whitespace + 1 )
         end
 
         local newline = string.match( sText, "^\n" )
         if newline then
             -- Print newlines
             newLine()
             sText = string.sub( sText, 2 )
         end
 
         local text = string.match( sText, "^[^ \t\n]+" )
         if text then
             sText = string.sub( sText, #text + 1 )
             if #text > w then
                 -- Print a multiline word
                 while #text > 0 do
                     if x > w then
                         newLine()
                     end
                     term.write( text )
                     text = string.sub( text, w - x + 2 )
                     x, y = term.getCursorPos()
                 end
             else
                 -- Print a word normally
                 if x + #text - 1 > w then
                     newLine()
                 end
                 term.write( text )
                 x, y = term.getCursorPos()
             end
         end
     end
 
     return nLinesPrinted
 end
 
 function print( ... )
     local nLinesPrinted = 0
     local nLimit = select("#", ... )
     for n = 1, nLimit do
         local s = tostring( select( n, ... ) )
         if n < nLimit then
             s = s .. "\t"
         end
         nLinesPrinted = nLinesPrinted + write( s )
     end
     nLinesPrinted = nLinesPrinted + write( "\n" )
     return nLinesPrinted
 end
 
 function printError( ... )
     local oldColour
     if term.isColour() then
         oldColour = term.getTextColour()
         term.setTextColour( colors.red )
     end
     print( ... )
     if term.isColour() then
         term.setTextColour( oldColour )
     end
 end
 
 function read( _sReplaceChar, _tHistory, _fnComplete, _sDefault )
     expect(1, _sReplaceChar, "string", "nil")
     expect(2, _tHistory, "table", "nil")
     expect(3, _fnComplete, "function", "nil")
     expect(4, _sDefault, "string", "nil")
 
     term.setCursorBlink( true )
 
     local sLine
     if type( _sDefault ) == "string" then
         sLine = _sDefault
     else
         sLine = ""
     end
     local nHistoryPos
     local nPos, nScroll = #sLine, 0
     if _sReplaceChar then
         _sReplaceChar = string.sub( _sReplaceChar, 1, 1 )
     end
 
     local tCompletions
     local nCompletion
     local function recomplete()
         if _fnComplete and nPos == #sLine then
             tCompletions = _fnComplete( sLine )
             if tCompletions and #tCompletions > 0 then
                 nCompletion = 1
             else
                 nCompletion = nil
             end
         else
             tCompletions = nil
             nCompletion = nil
         end
     end
 
     local function uncomplete()
         tCompletions = nil
         nCompletion = nil
     end
 
     local w = term.getSize()
     local sx = term.getCursorPos()
 
     local function redraw( _bClear )
         local cursor_pos = nPos - nScroll
         if sx + cursor_pos >= w then
             -- We've moved beyond the RHS, ensure we're on the edge.
             nScroll = sx + nPos - w
         elseif cursor_pos < 0 then
             -- We've moved beyond the LHS, ensure we're on the edge.
             nScroll = nPos
         end
 
         local _, cy = term.getCursorPos()
         term.setCursorPos( sx, cy )
         local sReplace = _bClear and " " or _sReplaceChar
         if sReplace then
             term.write( string.rep( sReplace, math.max( #sLine - nScroll, 0 ) ) )
         else
             term.write( string.sub( sLine, nScroll + 1 ) )
         end
 
         if nCompletion then
             local sCompletion = tCompletions[ nCompletion ]
             local oldText, oldBg
             if not _bClear then
                 oldText = term.getTextColor()
                 oldBg = term.getBackgroundColor()
                 term.setTextColor( colors.white )
                 term.setBackgroundColor( colors.gray )
             end
             if sReplace then
                 term.write( string.rep( sReplace, #sCompletion ) )
             else
                 term.write( sCompletion )
             end
             if not _bClear then
                 term.setTextColor( oldText )
                 term.setBackgroundColor( oldBg )
             end
         end
 
         term.setCursorPos( sx + nPos - nScroll, cy )
     end
 
     local function clear()
         redraw( true )
     end
 
     recomplete()
     redraw()
 
     local function acceptCompletion()
         if nCompletion then
             -- Clear
             clear()
 
             -- Find the common prefix of all the other suggestions which start with the same letter as the current one
             local sCompletion = tCompletions[ nCompletion ]
             sLine = sLine .. sCompletion
             nPos = #sLine
 
             -- Redraw
             recomplete()
             redraw()
         end
     end
     while true do
         local sEvent, param, param1, param2 = os.pullEvent()
         if sEvent == "char" then
             -- Typed key
             clear()
             sLine = string.sub( sLine, 1, nPos ) .. param .. string.sub( sLine, nPos + 1 )
             nPos = nPos + 1
             recomplete()
             redraw()
 
         elseif sEvent == "paste" then
             -- Pasted text
             clear()
             sLine = string.sub( sLine, 1, nPos ) .. param .. string.sub( sLine, nPos + 1 )
             nPos = nPos + #param
             recomplete()
             redraw()
 
         elseif sEvent == "key" then
             if param == keys.enter then
                 -- Enter
                 if nCompletion then
                     clear()
                     uncomplete()
                     redraw()
                 end
                 break
 
             elseif param == keys.left then
                 -- Left
                 if nPos > 0 then
                     clear()
                     nPos = nPos - 1
                     recomplete()
                     redraw()
                 end
 
             elseif param == keys.right then
                 -- Right
                 if nPos < #sLine then
                     -- Move right
                     clear()
                     nPos = nPos + 1
                     recomplete()
                     redraw()
                 else
                     -- Accept autocomplete
                     acceptCompletion()
                 end
 
             elseif param == keys.up or param == keys.down then
                 -- Up or down
                 if nCompletion then
                     -- Cycle completions
                     clear()
                     if param == keys.up then
                         nCompletion = nCompletion - 1
                         if nCompletion < 1 then
                             nCompletion = #tCompletions
                         end
                     elseif param == keys.down then
                         nCompletion = nCompletion + 1
                         if nCompletion > #tCompletions then
                             nCompletion = 1
                         end
                     end
                     redraw()
 
                 elseif _tHistory then
                     -- Cycle history
                     clear()
                     if param == keys.up then
                         -- Up
                         if nHistoryPos == nil then
                             if #_tHistory > 0 then
                                 nHistoryPos = #_tHistory
                             end
                         elseif nHistoryPos > 1 then
                             nHistoryPos = nHistoryPos - 1
                         end
                     else
                         -- Down
                         if nHistoryPos == #_tHistory then
                             nHistoryPos = nil
                         elseif nHistoryPos ~= nil then
                             nHistoryPos = nHistoryPos + 1
                         end
                     end
                     if nHistoryPos then
                         sLine = _tHistory[nHistoryPos]
                         nPos, nScroll = #sLine, 0
                     else
                         sLine = ""
                         nPos, nScroll = 0, 0
                     end
                     uncomplete()
                     redraw()
 
                 end
 
             elseif param == keys.backspace then
                 -- Backspace
                 if nPos > 0 then
                     clear()
                     sLine = string.sub( sLine, 1, nPos - 1 ) .. string.sub( sLine, nPos + 1 )
                     nPos = nPos - 1
                     if nScroll > 0 then nScroll = nScroll - 1 end
                     recomplete()
                     redraw()
                 end
 
             elseif param == keys.home then
                 -- Home
                 if nPos > 0 then
                     clear()
                     nPos = 0
                     recomplete()
                     redraw()
                 end
 
             elseif param == keys.delete then
                 -- Delete
                 if nPos < #sLine then
                     clear()
                     sLine = string.sub( sLine, 1, nPos ) .. string.sub( sLine, nPos + 2 )
                     recomplete()
                     redraw()
                 end
 
             elseif param == keys["end"] then
                 -- End
                 if nPos < #sLine then
                     clear()
                     nPos = #sLine
                     recomplete()
                     redraw()
                 end
 
             elseif param == keys.tab then
                 -- Tab (accept autocomplete)
                 acceptCompletion()
 
             end
 
         elseif sEvent == "mouse_click" or sEvent == "mouse_drag" and param == 1 then
             local _, cy = term.getCursorPos()
             if param1 >= sx and param1 <= w and param2 == cy then
                 -- Ensure we don't scroll beyond the current line
                 nPos = math.min(math.max(nScroll + param1 - sx, 0), #sLine)
                 redraw()
             end
 
         elseif sEvent == "term_resize" then
             -- Terminal resized
             w = term.getSize()
             redraw()
 
         end
     end
 
     local _, cy = term.getCursorPos()
     term.setCursorBlink( false )
     term.setCursorPos( w + 1, cy )
     print()
 
     return sLine
 end
 
 function loadfile( filename, mode, env )
     -- Support the previous `loadfile(filename, env)` form instead.
     if type(mode) == "table" and env == nil then
         mode, env = nil, mode
     end
 
     expect(1, filename, "string")
     expect(2, mode, "string", "nil")
     expect(3, env, "table", "nil")
 
     local file = fs.open( filename, "r" )
     if not file then return nil, "File not found" end
 
     local func, err = load( file.readAll(), "@" .. fs.getName( filename ), mode, env )
     file.close()
     return func, err
 end
 
 function dofile( _sFile )
     expect(1, _sFile, "string")
 
     local fnFile, e = loadfile( _sFile, nil, _G )
     if fnFile then
         return fnFile()
     else
         error( e, 2 )
     end
 end
 
 -- Install the rest of the OS api
 function os.run( _tEnv, _sPath, ... )
     expect(1, _tEnv, "table")
     expect(2, _sPath, "string")
 
     local tArgs = table.pack( ... )
     local tEnv = _tEnv
     setmetatable( tEnv, { __index = _G } )
     local fnFile, err = loadfile( _sPath, nil, tEnv )
     if fnFile then
         local ok, err = pcall( function()
             fnFile( table.unpack( tArgs, 1, tArgs.n ) )
         end )
         if not ok then
             if err and err ~= "" then
                 printError( err )
             end
             return false
         end
         return true
     end
     if err and err ~= "" then
         printError( err )
     end
     return false
 end
 
 local tAPIsLoading = {}
 function os.loadAPI( _sPath )
     expect(1, _sPath, "string")
     local sName = fs.getName( _sPath )
     if sName:sub(-4) == ".lua" then
         sName = sName:sub(1, -5)
     end
     if tAPIsLoading[sName] == true then
         printError( "API " .. sName .. " is already being loaded" )
         return false
     end
     tAPIsLoading[sName] = true
 
     local tEnv = {}
     setmetatable( tEnv, { __index = _G } )
     local fnAPI, err = loadfile( _sPath, nil, tEnv )
     if fnAPI then
         local ok, err = pcall( fnAPI )
         if not ok then
             tAPIsLoading[sName] = nil
             return error( "Failed to load API " .. sName .. " due to " .. err, 1 )
         end
     else
         tAPIsLoading[sName] = nil
         return error( "Failed to load API " .. sName .. " due to " .. err, 1 )
     end
 
     local tAPI = {}
     for k, v in pairs( tEnv ) do
         if k ~= "_ENV" then
             tAPI[k] =  v
         end
     end
 
     _G[sName] = tAPI
     tAPIsLoading[sName] = nil
     return true
 end
 
 function os.unloadAPI( _sName )
     expect(1, _sName, "string")
     if _sName ~= "_G" and type(_G[_sName]) == "table" then
         _G[_sName] = nil
     end
 end
 
 function os.sleep( nTime )
     sleep( nTime )
 end
 
-local nativeShutdown = os.shutdown
+
-function os.shutdown()
+
-    nativeShutdown()
+
     expect(1, sPath, "string")
-        coroutine.yield()
+
     expect(3, bIncludeFiles, "boolean", "nil")
     expect(4, bIncludeDirs, "boolean", "nil")
 
-local nativeReboot = os.reboot
+
-function os.reboot()
+
-    nativeReboot()
+
     local nStart = 1
-        coroutine.yield()
+
     if nSlash == 1 then
         sDir = ""
         nStart = 2
--- Install the lua part of the HTTP api (if enabled)
+
-if http then
+
-    local nativeHTTPRequest = http.request
+
         local nSlash = string.find( sPath, "[/\\]", nStart )
-    local methods = {
+
-        GET = true, POST = true, HEAD = true,
+
-        OPTIONS = true, PUT = true, DELETE = true,
+
-        PATCH = true, TRACE = true,
+
-    }
+
             sName = string.sub( sPath, nStart )
-    local function checkKey( options, key, ty, opt )
+
-        local value = options[key]
+
-        local valueTy = type(value)
+
     if fs.isDir( sDir ) then
-        if (value ~= nil or not opt) and valueTy ~= ty then
+
-            error(("bad field '%s' (expected %s, got %s"):format(key, ty, valueTy), 4)
+
             table.insert( tResults, "." )
         end
         if sDir ~= "" then
-    local function checkOptions( options, body )
+
-        checkKey( options, "url", "string")
+
-        if body == false then
+
-          checkKey( options, "body", "nil" )
+
             end
-          checkKey( options, "body", "string", not body )
+
         local tFiles = fs.list( sDir )
-        checkKey( options, "headers", "table", true )
+
-        checkKey( options, "method", "string", true )
+
-        checkKey( options, "redirect", "boolean", true )
+
                 local bIsDir = fs.isDir( fs.combine( sDir, sFile ) )
-        if options.method and not methods[options.method] then
+
-            error( "Unsupported HTTP method", 3 )
+
                     table.insert( tResults, sResult .. "/" )
                     if bIncludeDirs and #sResult > 0 then
                         table.insert( tResults, sResult )
-    local function wrapRequest( _url, ... )
+
-        local ok, err = nativeHTTPRequest( ... )
+
                     if bIncludeFiles and #sResult > 0 then
-            while true do
+
-                local event, param1, param2, param3 = os.pullEvent()
+
-                if event == "http_success" and param1 == _url then
+
-                    return param2
+
-                elseif event == "http_failure" and param1 == _url then
+
-                    return nil, param2, param3
+
     end
     return tEmpty
 end
-        return nil, err
+
 -- Load APIs
 local bAPIError = false
-    http.get = function( _url, _headers, _binary)
+
-        if type( _url ) == "table" then
+
-            checkOptions( _url, false )
+
-            return wrapRequest( _url.url, _url )
+
         if not fs.isDir( sPath ) then
             if not os.loadAPI( sPath ) then
-        expect(1, _url, "string")
+
-        expect(2, _headers, "table", "nil")
+
-        expect(3, _binary, "boolean", "nil")
+
-        return wrapRequest( _url, _url, nil, _headers, _binary )
+
 end
 
-    http.post = function( _url, _post, _headers, _binary)
+
-        if type( _url ) == "table" then
+
-            checkOptions( _url, true )
+
-            return wrapRequest( _url.url, _url )
+
         if string.sub( sFile, 1, 1 ) ~= "." then
             local sPath = fs.combine( "rom/apis/turtle", sFile )
-        expect(1, _url, "string")
+
-        expect(2, _post, "string")
+
-        expect(3, _headers, "table", "nil")
+
-        expect(4, _binary, "boolean", "nil")
+
-        return wrapRequest( _url, _url, _post, _headers, _binary )
+
         end
     end
-    http.request = function( _url, _post, _headers, _binary )
+
-        local url
+
-        if type( _url ) == "table" then
+
-            checkOptions( _url )
+
-            url = _url.url
+
     for _, sFile in ipairs( tApis ) do
-            expect(1, _url, "string")
+
-            expect(2, _post, "string", "nil")
+
-            expect(3, _headers, "table", "nil")
+
-            expect(4, _binary, "boolean", "nil")
+
-            url = _url.url
+
                 end
             end
-        local ok, err = nativeHTTPRequest( _url, _post, _headers, _binary )
+
     end
-            os.queueEvent( "http_failure", url, err )
+
 
-        return ok, err
+
     -- Load command APIs
     if os.loadAPI( "rom/apis/command/commands.lua" ) then
-    local nativeCheckURL = http.checkURL
+
-    http.checkURLAsync = nativeCheckURL
+
-    http.checkURL = function( _url )
+
-        local ok, err = nativeCheckURL( _url )
+
-        if not ok then return ok, err end
+
                     return value
-        while true do
+
-            local _, url, ok, err = os.pullEvent( "http_check" )
+
-            if url == _url then return ok, err end
+
                     if value ~= nil then
                         return value
                     end
-    local nativeWebsocket = http.websocket
+
-    http.websocketAsync = nativeWebsocket
+
-    http.websocket = function( _url, _headers )
+
-        expect(1, _url, "string")
+
-        expect(2, _headers, "table", "nil")
+
         setmetatable( commands.async, tCaseInsensitiveMetatable )
-        local ok, err = nativeWebsocket( _url, _headers )
+
-        if not ok then return ok, err end
+
         exec = commands.exec
-        while true do
+
-            local event, url, param = os.pullEvent( )
+
-            if event == "websocket_success" and url == _url then
+
-                return param
+
-            elseif event == "websocket_failure" and url == _url then
+
-                return false, param
+
     print( "Press any key to continue" )
     os.pullEvent( "key" )
     term.clear()
     term.setCursorPos( 1, 1 )
 end
 
 -- Set default settings
 settings.set( "shell.allow_startup", true )
 settings.set( "shell.allow_disk_startup", commands == nil )
 settings.set( "shell.autocomplete", true )
 settings.set( "edit.autocomplete", true )
 settings.set( "edit.default_extension", "lua" )
 settings.set( "paint.default_extension", "nfp" )
 settings.set( "lua.autocomplete", true )
 settings.set( "list.show_hidden", false )
 settings.set( "motd.enable", false )
 settings.set( "motd.path", "/rom/motd.txt:/motd.txt" )
 if term.isColour() then
     settings.set( "bios.use_multishell", true )
 end
 if _CC_DEFAULT_SETTINGS then
     for sPair in string.gmatch( _CC_DEFAULT_SETTINGS, "[^,]+" ) do
         local sName, sValue = string.match( sPair, "([^=]*)=(.*)" )
         if sName and sValue then
             local value
             if sValue == "true" then
                 value = true
             elseif sValue == "false" then
                 value = false
             elseif sValue == "nil" then
                 value = nil
             elseif tonumber(sValue) then
                 value = tonumber(sValue)
             else
                 value = sValue
             end
             if value ~= nil then
                 settings.set( sName, value )
             else
                 settings.unset( sName )
             end
         end
     end
 end
 
 -- Load user settings
 if fs.exists( ".settings" ) then
     settings.load( ".settings" )
 end
 
 -- Run the shell
 local ok, err = pcall( function()
     parallel.waitForAny(
         function()
             local sShell
             if term.isColour() and settings.get( "bios.use_multishell" ) then
                 sShell = "rom/programs/advanced/multishell.lua"
             else
                 sShell = "rom/programs/shell.lua"
             end
             os.run( {}, sShell )
             os.run( {}, "rom/programs/shutdown.lua" )
         end,
         function()
             rednet.run()
         end )
 end )
 
 -- If the shell errored, let the user read it.
 term.redirect( term.native() )
 if not ok then
     printError( err )
     pcall( function()
         term.setCursorBlink( false )
         print( "Press any key to continue" )
         os.pullEvent( "key" )
     end )
 end
 
 -- End
 os.shutdown()