Fixed bug where empty lines would be discarded from output

kg/main.go

@@ -195,6 +195,11 @@ func main() {
 					panic(err)
 				}
 			}
+			// We check again if linesRead is true, because if it is and we haven't read anything,
+			// then we can just exit.
+			if linesRead && len(test_str) == 0 {
+				break
+			}
 			matchIndices := make([]reg.Match, 0)
 			if matchNumFlagEnabled {
 				tmp, err := regComp.FindNthMatch(test_str, *matchNum)
@@ -307,9 +312,10 @@ func main() {
 			if err != nil {
 				panic(err)
 			}
+			// If the line was empty, OR
 			// If the last character in the string wasn't a newline, AND we either have don't -o set or we do (and we've matched something), then print a newline
-			if (len(test_str_runes) > 0 && test_str_runes[len(test_str_runes)-1] != '\n') &&
-				(!*onlyFlag || indicesToPrint.len() > 0) {
+			if (len(test_str_runes) == 0) || ((len(test_str_runes) > 0 && test_str_runes[len(test_str_runes)-1] != '\n') &&
+				(!*onlyFlag || indicesToPrint.len() > 0)) {
 				fmt.Println()
 			}
 		}