Refactor how newlines are added to a document

main.go

@@ -52,7 +52,6 @@ func buildInfoText(ln string) string {
 	out.WriteString("i")
 	out.WriteString(ln)
 	out.WriteString("\tfalse\tnull.host\t1")
-	out.WriteString("\n")
 	return out.String()
 }
 
@@ -60,9 +59,9 @@ func deconstructInfoText(ln string) string {
 	text := strings.SplitN(ln, "\t", 2)
 	infotext := text[0]
 	if len(infotext) > 1 {
-		return infotext[1:] + "\n"
+		return infotext[1:]
 	}
-	return "\n"
+	return ""
 }
 
 func readFile(path string, build bool) bytes.Buffer {
@@ -81,10 +80,10 @@ func processFile(file io.Reader, build bool) bytes.Buffer {
 			l := scanner.Text()
 			if exp := re.MatchString(l); exp {
 				outFile.WriteString(l)
-				outFile.WriteString("\n")
 			} else {
 				outFile.WriteString(buildInfoText(l))
 			}
+			outFile.WriteString("\n")
 		}
 	} else {
 		for scanner.Scan() {
@@ -93,8 +92,8 @@ func processFile(file io.Reader, build bool) bytes.Buffer {
 				outFile.WriteString(deconstructInfoText(l))
 			} else {
 				outFile.WriteString(l)
-				outFile.WriteString("\n")
 			}
+			outFile.WriteString("\n")
 		}
 	}
 	if err := scanner.Err(); err != nil {

main_test.go

@@ -12,7 +12,7 @@ var buildInfoTextTestCases = []struct {
 	{
 		//Plain line of text is converted to info text
 		"A line of text",
-		"iA line of text	false	null.host	1\n",
+		"iA line of text	false	null.host	1",
 	},
 }