cmus-notify.lua

#! /usr/bin/lua

--[[* 
  * test case: cmus-notify status playing file path title hola artist qace album ok
  *
  * installation: 
  *   - Set the status_display_program variable in cmus
  *   :set status_display_program=/path-to/cmus-notify.lua
  *   
  *   - Save the changes using
  *   :save
  *]]


local function q(str)
	return string.gsub(str, "'", "'\"'\"'")
end

local message = '<b>Artist:</b> Unknown'
local title = ''

for i=3, #arg, 2 do
  local key = arg[i]
  local value = arg[i + 1]

  if key == 'file' then
    title = value:match("^.+/(.+)$")
  end

  if key == 'title' and value then
    title = value
  end

  if key == 'artist' and value then
    message = string.format('<b>Artist:</b> %s', value)
  end

  if key == 'album' and value then
    message = string.format('%s\\n<b>Album:</b> %s', message, value)
  end
end

local cmd = "notify-send '%s' '%s'"

os.execute(string.format(cmd, q(title), q(message)))