vcf2json.erb in bio-vcf-0.8.1

- old
+ new

@@ -1,8 +1,20 @@
+=HEADER
+<% require 'json' %>
+[
+  { "HEADER": {
+    "options":  <%= options.to_h.to_json %>,
+    "files":    <%= ARGV %>,
+    "version":  "<%= BIOVCF_VERSION %>"
+  },
+
+=BODY
+
 {
   "seq:chr": "<%= rec.chrom %>" ,
   "seq:pos": <%= rec.pos %> ,
   "seq:ref": "<%= rec.ref %>" ,
   "seq:alt": "<%= rec.alt[0] %>" ,
-  "seq:maf": <%= rec.info.maf[0] %> ,
   "dp":      <%= rec.info.dp %> ,
-};
+},
+=FOOTER
+]