Adds test to skip empty lines

cmd/bind/parsing-complex.go

@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"log"
 	"regexp"
 	"strings"
 
@@ -25,6 +26,11 @@ func parseComplex(data []byte) []string {
 			continue
 		}
 
+		// skip lines with no characters and/or whitespace only
+		if regexp.MustCompile(`^(\s+)?$`).MatchString(line) {
+			continue
+		}
+
 		// split line by whitespace
 		lineItems := strings.Fields(line)
 
@@ -32,6 +38,8 @@ func parseComplex(data []byte) []string {
 			// the second item is the domain, check if its valid and add it
 			if govalidator.IsDNSName(lineItems[1]) {
 				domains = append(domains, lineItems[1])
+			} else {
+				log.Printf("[TRACE] Domain is not valid: %s\n", lineItems[0])
 			}
 		}
 	}

cmd/bind/parsing-simple.go

@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"log"
 	"regexp"
 	"strings"
 
@@ -25,6 +26,11 @@ func parseSimple(data []byte) []string {
 			continue
 		}
 
+		// skip lines with no characters and/or whitespace only
+		if regexp.MustCompile(`^(\s+)?$`).MatchString(line) {
+			continue
+		}
+
 		// split line by whitespace
 		lineItems := strings.Fields(line)
 
@@ -32,6 +38,8 @@ func parseSimple(data []byte) []string {
 			// the second item is the domain, check if its valid and add it
 			if govalidator.IsDNSName(lineItems[0]) {
 				domains = append(domains, lineItems[0])
+			} else {
+				log.Printf("[TRACE] Domain is not valid: %s\n", lineItems[0])
 			}
 		}
 	}