From c7f28855ca4f02acc3827b61aab67222d313b723 Mon Sep 17 00:00:00 2001
From: evilsocket <evilsocket@gmail.com>
Date: Fri, 22 Mar 2019 21:28:57 +0100
Subject: [PATCH] fix: clear handler caused issues on some terminals, fixed by
 using os specific clear command

---
 session/session_core_handlers.go | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/session/session_core_handlers.go b/session/session_core_handlers.go
index 09da1776..51f40be0 100644
--- a/session/session_core_handlers.go
+++ b/session/session_core_handlers.go
@@ -4,7 +4,9 @@ import (
 	"bufio"
 	"fmt"
 	"os"
+	"os/exec"
 	"path/filepath"
+	"runtime"
 	"sort"
 	"strconv"
 	"strings"
@@ -249,13 +251,14 @@ func (s *Session) readHandler(args []string, sess *Session) error {
 }
 
 func (s *Session) clsHandler(args []string, sess *Session) error {
-	// fixes a weird bug which causes the screen not to be fully
-	// cleared if a "clear; net.show" commands chain is executed
-	// in the interactive session.
-	for i := 0; i < 180; i++ {
-		fmt.Println()
+	cmd := "clear"
+	if runtime.GOOS == "windows" {
+		cmd = "cls"
 	}
-	readline.ClearScreen(s.Input.Stdout())
+
+	c := exec.Command(cmd)
+	c.Stdout = os.Stdout
+	c.Run()
 	return nil
 }