-logfile flag 추가

logger/logger.go

@@ -1,6 +1,7 @@
 package logger
 
 import (
+	"flag"
 	"fmt"
 	"io"
 	"log"
@@ -8,52 +9,39 @@ import (
 	"path"
 	"runtime/debug"
 	"strings"
-	"time"
 )
 
 var stdlogger *log.Logger
 var errlogger *log.Logger
+var logfile = flag.Bool("logfile", false, "")
 
 func init() {
 	binpath, _ := os.Executable()
 	binname := path.Base(strings.ReplaceAll(binpath, "\\", "/"))
 
-	logpath := os.Getenv("AYO_LOGGER_FILE_PATH")
+	var outWriter io.Writer
+	var errWriter io.Writer
+	outWriter = os.Stdout
+	errWriter = os.Stderr
 
-	if len(logpath) == 0 {
-		stdlogger = log.New(os.Stdout, "", log.LstdFlags)
-		errlogger = log.New(os.Stderr, "", log.LstdFlags)
-	} else {
+	if *logfile {
 		ext := path.Ext(binname)
 		if len(ext) > 0 {
 			binname = binname[:len(binname)-len(ext)]
 		}
 
-		if _, err := os.Stat(logpath); os.IsNotExist(err) {
-			os.Mkdir("logs", 0777)
-		}
-
-		now := time.Now()
-		logFile, err := os.Create(fmt.Sprintf("%s/%s_%s.log", logpath, binname, now.Format("2006-01-02T15-04-05")))
+		logFile, err := os.Create(fmt.Sprintf("%s.log", binname))
 		if err != nil {
+			os.Stdout.Write([]byte(err.Error()))
 			panic(err)
 		}
-		stdlogger = log.New(io.MultiWriter(os.Stdout, logFile), "", log.LstdFlags)
-		if fi, err := os.Stat(binpath); err == nil {
-			stdlogger.Println(fi.Name(), fi.ModTime())
-		}
 
-		logFile, err = os.Create(fmt.Sprintf("%s/%s_%s.err", logpath, binname, now.Format("2006-01-02T15-04-05")))
-		if err != nil {
-			panic(err)
-		}
-		errlogger = log.New(io.MultiWriter(os.Stderr, logFile), "", log.LstdFlags)
-		if fi, err := os.Stat(binpath); err == nil {
-			errlogger.Println(fi.Name(), fi.ModTime())
-		}
+		outWriter = io.MultiWriter(outWriter, logFile)
+		errWriter = io.MultiWriter(errWriter, logFile)
 	}
-	stdlogger.Println(binname)
-	errlogger.Println(binname)
+
+	stdlogger = log.New(outWriter, "", log.LstdFlags)
+	errlogger = log.New(errWriter, "", log.LstdFlags)
 }
 
 func Println(v ...interface{}) {