if is_relative_path(filename) then
    filename = love.filesystem.getWorkingDirectory()..'/'..filename  -- '/' should work even on Windows

function is_absolute_path(path)
  local os_path_separator = package.config:sub(1,1)
  if os_path_separator == '/' then
    -- POSIX systems permit backslashes in filenames
    return path:sub(1,1) == '/'
  elseif os_path_separator == '\\' then
    local f = path:sub(1,1)
    return f == '/' or f == '\\'
  else
    error('What OS is this? LÖVE reports that the path separator is "'..os_path_separator..'"')
  end
end

function is_relative_path(path)
  return not is_absolute_path(path)
end

  return path:match('.*[/\\]') or './'

  local os_path_separator = package.config:sub(1,1)
  if os_path_separator == '/' then
    -- POSIX systems permit backslashes in filenames
    return path:match('.*/') or './'
  elseif os_path_separator == '\\' then
    return path:match('.*[/\\]') or './'
  else
    error('What OS is this? LÖVE reports that the path separator is "'..os_path_separator..'"')
  end

  return string.gsub(path, ".*/(.*)", "%1")
end
function is_absolute_path(path)

    return path:sub(1,1) == '/'

    return string.gsub(path, ".*/(.*)", "%1")

    local f = path:sub(1,1)
    return f == '/' or f == '\\'

    return string.gsub(path, ".*[/\\](.*)", "%1")

function is_relative_path(path)
  return not is_absolute_path(path)
end