faster but quite buggy; no disc state storage

src/awk/releasegroups.awk

@@ -58,5 +58,5 @@ BEGIN {
   line_year = year ? format_year : ""
   sub("<<year>>", year, line_year)
   sortk = year ? year : 0
-  print sortk, l, line_type, line_release, line_year, line_sectype, "0", id
+  print sortk, l, line_type, line_release, line_year, line_sectype, artistid ? artistid : "0", id
 }

src/awk/releases.awk

@@ -9,18 +9,17 @@ BEGIN {
   }
 }
 {
-  parentid = $1
-  id = $2
-  status = $3
-  year = substr($4, 1, 4) + 0
+  id = $1
+  status = $2
+  year = substr($3, 1, 4) + 0
   year = year == 0 ? "" : year
-  covercount = $5
-  label = $6
-  trackcnt = $7
-  media = $8
-  country = $9
-  title = $10
-  artist = $11
+  covercount = $4
+  label = $5
+  trackcnt = $6
+  media = $7
+  country = $8
+  title = $9
+  artist = $10
   switch (status) {
     case "Official": line_status = release_official; break
     case "Promotion": line_status = release_promotion; break
@@ -54,5 +53,5 @@ BEGIN {
   sub("<<country>>", country, line)
   sortk = year ? year : 0
   l = local_releases[id] ? format_local : ""
-  print sortk, l, line, parentid, id ":" local_releases[id]
+  print sortk, l, line, rgid ? rgid : "0", id ":" local_releases[id]
 }