VLC Extensions: DELETE current playing FILE FROM DISK and Shuffle Playlist

deleter.lua

--[[
INSTALLATION (create directories if they don't exist):
- put the file in the VLC subdir /lua/extensions, by default:
* Windows (all users): %ProgramFiles%\VideoLAN\VLC\lua\extensions\
* Windows (current user): %APPDATA%\VLC\lua\extensions\
* Linux (all users): /usr/share/vlc/lua/extensions/
* Linux (current user): ~/.local/share/vlc/lua/extensions/
* Mac OS X (all users): /Applications/VLC.app/Contents/MacOS/share/lua/extensions/
- Restart VLC.
]]--

--[[ Extension description ]]

function descriptor()
  return {
    title = "Diskdelete" ;
    version = "0.2" ;
    author = "Mark Morschhäuser" ;
    shortdesc = "DELETE current playing FILE FROM DISK";
    description = "<h1>Diskdelete</h1>"
    .. "When you're playing a file, use Diskdelete to "
    .. "easily delete this file <b>from your disk</b> with one click."
    .. "<br>This will NOT change your playlist, it will <b>ERASE the file</b> itself!"
    .. "<br>It will not use the Recycle Bin, the file will be gone immediately!"
    .. "<br>This extension has been tested on GNU Linux with VLC 2.0.3."
    .. "<br>The author is not responsible for damage caused by this extension.";
    url = "https://github.com/VanNostrand/Diskdelete"
  }
end

--[[ Hooks ]]

-- Activation hook
function activate()
  vlc.msg.dbg("[Diskdelete] Activated")
  d = vlc.dialog("Diskdelete")
  d:add_label("<b>Clicking</b> this button will <b>delete</b> the currently playing file <b>from disk</b>.<br>You have to <b>be sure</b> as <b>you won't be asked</b> again!<br>You are responsible for your own actions, consider yourself warned.")
  d:add_button("DELETE CURRENT FILE PERMANENTLY FROM DISK WITHOUT ASKING", delete)
  d:show()
end

-- Deactivation hook
function deactivate()
  vlc.msg.dbg("[Diskdelete] Deactivated")
  vlc.deactivate()
end

function close()
  deactivate()
end

--[[ The file deletion routine ]]
function delete()
  item = vlc.input.item() -- get the current playing file
  uri = item:uri() -- extract it's URI
  filename = vlc.strings.decode_uri(uri) -- decode %foo stuff from the URI

  vlc.playlist.skip(1)

  --[[
  --vlc.misc.mwait(vlc.misc.mdate() + 3000000)
  --vlc.var.add_callback(vlc.object.input(), "time", vlc.playlist.skip(1), 3000000)
  ]]--

  --retval, err = os.chmod(filename, 0777)
  filename = string.sub(filename,9) -- remove 'file://' prefix which is 7 chars long
  vlc.msg.dbg("[Diskdelete] selected for deletion: " .. filename)


  retval, err = os.remove(filename) -- delete the file with this filename from disk
  if(retval == nil) -- error handling; if deletion failed, print why
  then
  vlc.msg.dbg("[Diskdelete] error: " .. err)

end

end

-- This empty function is there, because vlc pested me otherwise
function meta_changed()
end

shuffle.lua

function descriptor()
  return {
    title = "Shuffle Playlist",
    version = "1.1.2",
    shortdesc = "Shuffle Playlist",
    description = "Shuffles all items on the playlist similar to MPC-HC's randomize playlist function.",
    author = "Daniel Grünwald",
    icon = [[<?xml version="1.0" encoding="UTF-8" standalone="no"?>
    <svg width="30" height="30" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1"><path stroke="none" fill="#33333f" d="M 18.3125,23 22,23.03125 22,27 28,21 22,15 22,19.03125 19.6875,19 7.6875,10 2,10 2,14 6.34375,14 z M 15.361844,14.403932 16.53125,10 24,10 24,14 30,8 24,2 24,6 13.46875,6 11.908809,11.764408 z M 10.212023,18.207792 8.9375,23 0,23 l 0,4 12.03125,0 1.651047,-6.199744 z"/></svg>]],
    capabilities = {"trigger"}
  }
end

function trigger()
  vlc.playlist.stop()
  
  math.randomseed(os.time())
  
  local pl = vlc.playlist.get("normal", false)
  local randomList = {}
  
  for i, v in ipairs(pl.children) do
    if v.duration == -1 then v.duration = 0 end
    randomList[#randomList + 1] = v
  end
  
  local swap
  for i = 1, #randomList do 
    swap = math.random(i, #randomList)
    randomList[i], randomList[swap] = randomList[swap], randomList[i]
  end
  
  vlc.playlist.clear()
  vlc.playlist.enqueue(randomList)
  
  vlc.msg.info("Playlist shuffled!")
end