Moved file reading to seperate func

check.go

@@ -70,24 +70,29 @@ func streams(files []string) chan input {
 	return r
 }
 
+func fileRead(j chan work, stream input) {
+	if stream.err != nil {
+		j <- work{err: stream.err}
+		//break
+		return
+	}
+	s := bufio.NewScanner(stream.f)
+	for s.Scan() {
+		cs, err := parseCS(s.Text())
+		j <- work{cs, err}
+	}
+	stream.f.Close()
+	if s.Err() != nil {
+		j <- work{err: s.Err()}
+	}
+}
+
 func check(files []string) chan error {
 	jobs := make(chan work)
 
 	go func() {
 		for stream := range streams(files) {
-			if stream.err != nil {
-				jobs <- work{err: stream.err}
-				break
-			}
-			s := bufio.NewScanner(stream.f)
-			for s.Scan() {
-				cs, err := parseCS(s.Text())
-				jobs <- work{cs, err}
-			}
-			stream.f.Close()
-			if s.Err() != nil {
-				jobs <- work{err: s.Err()}
-			}
+			go fileRead(jobs, stream)
 		}
 		close(jobs)
 	}()