CrunchBang Linux

--script for awesome showing the last messages on crunchbang forums 
--in a popup window (naughty.notify)
--by wlourf 30 octobre 2011

--path to the scrunchbang icon
local crunch_icon="/home/wlourf/.config/awesome/crunch-white.png"
--interval =  check every X seconds
local interval=600
--time_out = time to display the popup
local time_out=30
--END OF PARAMETERS

local t_msg_old={}

function check_crunch_forum_en()
    local f = io.popen("curl -s http://crunchbanglinux.org/forums/search/recent/")
    local return_text=""
    --put all messages in table t_msg_new
    local t_msg_new={}
    for line in f:lines() do 
        if line:find("h3 class=\"hn") ~= nil then 
            title = line:match("/\">(.-)</a") 
        end
        if line:find("lastpost") ~= nil then 
            url=line:match("href=\"(.-)\"")
            dt=line:match("%d\">(.-)<")
            user=line:match("by%s(.-)<")
        end
    if title ~=nil and url ~= nil and user ~= nil and dt ~=nil then
        table.insert(t_msg_new, {url,title,user,dt})
        title=nil
        user=nil
        dt=nil
        url=nil
    end
    end    
    
    --first call, copy table t_msg_new in t_msg_old
    --is there a better way to copy the table ? 
    if #t_msg_old == 0 then
        for i=1,#t_msg_new do 
            t_msg_old[i] = {t_msg_new[i][1],t_msg_new[i][2],t_msg_new[i][3],t_msg_new[i][4]}
        end
    else
        --compare the two tables to find new elements
        if t_msg_old[1][1] ~= t_msg_new[1][1] then
            for i=1,#t_msg_new do
                t_msg_new[i][5]=true
                for j=1,#t_msg_old do
                    if t_msg_old[j][1] == t_msg_new[i][1] then
                        t_msg_new[i][5]=false
                        break
                    end                    
                end
                --text to display
                if t_msg_new[i][5] then
                    return_text = return_text .. t_msg_new[i][2] .. " (" .. t_msg_new[i][3] .. " " .. t_msg_new[i][4] .. ")\n"                        
                end
            end
            --copy new table into old table
            for i=1,#t_msg_new do
                t_msg_old[i] = {t_msg_new[i][1],t_msg_new[i][2],t_msg_new[i][3],t_msg_new[i][4]}
            end
        end
    end

    if return_text ~="" then
        runcrunch = naughty.notify({title = "crunchbang " .. os.date("%H:%M:%S"), text = return_text , timeout = time_out, icon=crunch_icon, 
            run = function () 
                    naughty.destroy(runcrunch)
                    awful.util.spawn("x-www-browser http://crunchbanglinux.org/forums/search/recent/") 
                end
            
            })
    end
end

--init at awesome's start
check_crunch_forum_en()
--timer
crunch2_timer = timer({timeout = interval})
crunch2_timer:add_signal("timeout", function() check_crunch_forum_en() end)
crunch2_timer:start()    

Conky 1.8.0 compiled Fri Jul 29 20:16:26 UTC 2011 for Linux 2.6.39-2-amd64 (x86_64)

Compiled in features:

System config file: /etc/conky/conky.conf
Package library path: /usr/lib/conky

 X11:
  * Xdamage extension
  * XDBE (double buffer extension)
  * Xft
  * ARGB visual

 Music detection:
  * MPD
  * MOC

 General:
  * math
  * hddtemp
  * portmon
  * Curl
  * RSS
  * Weather (METAR)
  * Weather (XOAP)
  * wireless
  * support for IBM/Lenovo notebooks
  * nvidia
  * eve-online
  * config-output
  * Imlib2
  * ALSA mixer support
  * apcupsd
  * iostats
  * ncurses
  * Lua

  Lua bindings:
   * Cairo
   * Imlib2

#!/usr/bin/lua

local echo = "echo 'password \"\"\nstatus\ncurrentsong\nclose'"
local mpdh = "telnet://localhost:6600"
local f = io.popen(echo.." | curl --connect-timeout 1 -fsm 3 "..mpdh)
print (f)
for line in f:lines() do
        print (line)
end

sudo ln -s /usr/bin/python2.6 /usr/bin/python2