list release groups

src/awk/releases.awk

@@ -0,0 +1,57 @@
+BEGIN { 
+  OFS="\t"
+  year[0] = 0; del year[0]
+  title[0] = 0; del title[0]
+  type[0] = 0; del type[0]
+  id[0] = 0; del id[0]
+  score[0] = 0; del score[0]
+}
+
+function get_score(rgdt, rgti, dt, ti, qy,     res) {
+  res = 0
+  if (rgdt == dt)
+    res = res + 5
+  if (rgti == ti)
+    res = res + 5
+  if (qy == "normal" || qy == "unknown")
+    res = res + 1
+  if (qy == "high")
+    res = res + 2
+  return res
+}
+
+{
+  gsub("&", "\\\\&")
+  rgmi = $1 # Release Group ID
+  rgty = $2 # Release Group Type
+  rgdt = substr($3, 1, 4) + 0 # Release Group Year
+  rgti = $4 # Release Group Title
+  mi = $5 # MusicBrainz Release ID
+  qy = $6 # Release Quality
+  dt = substr($7, 1, 4) + 0 # Release Year
+  ti = $8 # Release Title
+  s = get_score(rgdt, rgti, dt, ti, qy)
+  if (score[rgmi] < s) {
+    score[rgmi] = s
+    year[rgmi] = dt
+    title[rgmi] = ti
+    type[rgmi] = rgty
+    id[rgmi] = mi
+  }
+}
+
+END {
+  for (rgmi in id) {
+    if (type[rgmi] == "Single")
+      line = format_single
+    else if (type[rgmi] == "Album")
+      line = format_album
+    else if (type[rgmi] == "EP")
+      line = format_ep
+    else
+      line = format_album
+    sub("<<year>>", dt, line)
+    sub("<<title>>", ti, line)
+    print mi, line
+  }
+}