CC Tweaked Os Paint App

local function Clear()
term.clear()
term.setCursorPos(1,1)
end

function Nav()
Clear()
print("please type file name or type exit")
print("then press enter twice")
term.setCursorPos(1,4)
local input = read()
repeat
    local event, key = os.pullEvent("key")
    if key ~= keys.enter then
        input = read()
    end
until key == keys.enter
local file = input
if input == "exit" then
    shell.run(settings.get("os_DesktopLoc"))
elseif fs.exists(file) == true then
    shell.run("paint",file)
    while true do
        Clear()
        print("press enter to continue")
        local event, key = os.pullEvent("key")
        if key == keys.enter then break end
    end
    Nav()
else
    local Im = fs.open(file,"w")
    Im.close()
    shell.run("paint",file)
    while true do
        Clear()
        print("press enter to continue")
        local event, key = os.pullEvent("key")
        if key == keys.enter then break end
    end
    Nav()
end
end

Nav()