list release groups

src/awk/releasegroups.awk

@@ -0,0 +1,22 @@
+BEGIN { OFS="\t" }
+
+{
+  gsub("&", "\\\\&")
+  id = $1
+  type = $2
+  year = substr($3, 1, 4) + 0
+  title = $4
+  if (type == "Single")
+    line = format_single
+  else if (type == "Album")
+    line = format_album
+  else if (type == "EP")
+    line = format_ep
+  else
+    line = format_album
+  if (year)
+    line = line " " format_year
+  sub("<<title>>", title, line)
+  sub("<<year>>", year, line)
+  print id, line
+}