mixxx cue sheet to anonradio metadata converter script

misc/scripts/cuetometa.lua

@@ -0,0 +1,68 @@
+#!/bin/lua
+
+-- Mixxx CUE sheet to aNONradio metadata
+-- And also text tracklist
+
+local path = arg[1]
+local basename = ""
+
+do
+  local cur_pos = 1
+  for i = 1, path:len() do
+    local start_pos, end_pos = path:find("/", cur_pos, true)
+    if not start_pos then break end
+
+    cur_pos = end_pos + 1
+  end
+
+  basename = path:sub(cur_pos)
+end
+
+local cuefile = io.open(path)
+if not cuefile then
+  print("Failed to read file.")
+  os.exit(1)
+end
+
+local content = cuefile:read("a")
+cuefile:close()
+
+if not content:match('FILE "(.-)" MP3\n') then
+  print("Provided file not a CUE sheet")
+  os.exit(1)
+end
+
+local meta = ""
+local plain = "Archive link: https://archives.anonradio.net/" .. basename:gsub("cue","mp3") .. "\n\n"
+
+for track in content:gmatch('%s-TRACK %d- AUDIO\n%s-TITLE ".-"\n%s-PERFORMER ".-"\n%s-INDEX %d- %d-:%d+') do
+  local index = track:match("TRACK (%d-) AUDIO")
+  local title = track:match('TITLE "(.-)"')
+  local artist = track:match('PERFORMER "(.-)"')
+  local time = track:match("INDEX %d- (%d-:%d+)"):gsub(":", "")
+
+  if index == "01" then
+    time = "0010"
+  end
+
+  meta = meta .. "00" .. time .. ":" .. artist .. " - " .. title .. "\n"
+  plain = plain .. artist .. " - " .. title .. "\n"
+end
+
+local metafile = io.open(basename:gsub("cue", "meta"), "w")
+local metasucc = metafile:write(meta)
+if not metasucc then
+  print("Failed to write meta file.")
+else
+  metasucc:close()
+  print("Wrote meta file.")
+end
+
+local plainfile = io.open(basename:gsub("cue", "txt"), "w")
+local plainsucc = plainfile:write(plain)
+if not plainsucc then
+  print("Failed to write tracklist file.")
+else
+  plainsucc:close()
+  print("Wrote tracklist file.")
+end