pass the name to a password file, don't use pw directly

unreadMail/unreadMail.go

@@ -5,6 +5,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	"git.gutmet.org/goutil"
 	"git.gutmet.org/libUnreadMail"
 	"os"
 )
@@ -14,10 +15,16 @@ func main() {
 	portPtr := flag.Int("port", 993, "server port")
 	certPtr := flag.String("cert", "", "PEM cert of server")
 	userPtr := flag.String("user", "", "user login name")
-	passwdPtr := flag.String("passwd", "", "password for user")
+	pwFilePtr := flag.String("pwfile", "", "password file for user")
 
 	flag.Parse()
-	par := &unreadMail.Parameters{*serverPtr, *portPtr, *certPtr, *userPtr, *passwdPtr}
+
+	passwd, err := goutil.ReadFile(*pwFilePtr)
+
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+	} else {
+		par := &unreadMail.Parameters{*serverPtr, *portPtr, *certPtr, *userPtr, passwd}
 
 		mails, errs := unreadMail.FetchPlaintext(par)
 		for _, err := range errs {
@@ -27,4 +34,5 @@ func main() {
 			fmt.Println(mail)
 			fmt.Println("\n=*=*=*=*=*=*=*=*=\n")
 		}
+	}
 }