change content.opf template based on the presence of translator metadata

g2e.awk

@@ -13,6 +13,8 @@ BEGIN{
 
 	"date -u +%FT%TZ" | getline meta["date"]
 
+	content_header_template = "content-header.opf"
+
 	# read metadata file fields
 	while( getline < metadatafile ){
 		key = $1; sub(":","",key)
@@ -23,6 +25,10 @@ BEGIN{
 			sub(/^.+\//,"",value) # get basename
 		}
 
+		if(key=="translator"){
+			content_header_template = "content-header-translator.opf"
+		}
+
 		meta[key] = value
 
 		# set index file as an argument to be read
@@ -59,7 +65,7 @@ BEGIN{
 	}
 
 	# start writing metadata files
-	content = write_template("content-header.opf", meta )
+	content = write_template(content_header_template, meta )
 	toc = write_template( "toc-header.ncx", meta )
 	spinetoc = "  <spine toc=\"ncx\">\n"
 }

templates/content-header.opf

@@ -8,7 +8,6 @@
     <dc:creator id="creator">{author}</dc:creator>
     <dc:description>{description}</dc:description>
     <dc:date>{publishDate}</dc:date>
-    <dc:contributor id="translator">{translator}</dc:contributor>
     <meta property="dcterms:modified">{date}</meta>
     <meta content="{cover}" name="cover"/>
   </metadata>