File System Lock

local tArgs = {...}
local backUpFs = fs
local fileSys = {}
fileSys.combine = backUpFs.combine
fileSys.isReadOnly = function(...)
    return true
end
fileSys.getSize = backUpFs.getSize
fileSys.move = function(...)
    return false
end
fileSys.exists = backUpFs.exists
fileSys.copy = function(...)
    return false
end
fileSys.getFreeSpace = backUpFs.getFreeSpace
fileSys.makeDir = function(...)
    return false
end
fileSys.delete = function(...)
    return false
end
fileSys.open = function(location,mode,...)
    if mode == "r" then
        return backUpFs.open(location,mode,...)
    else
        return
    end
end
fileSys.list = function(this,...)
    if this == "" or this == "\\" or this == "/" or this == "\\\\" or this == "//" then
        return {"root"}
    else
        return backUpFs.list(this,...)
    end
end
fileSys.getDrive = backUpFs.getDrive
fileSys.getName = backUpFs.getname
fileSys.isDir = backUpFs.isDir
fs = fileSys