From 658af50006670bcdf03f34243b5ba9c2a01b8cc3 Mon Sep 17 00:00:00 2001
From: Gokcehan <gokcehankara@gmail.com>
Date: Tue, 1 Sep 2020 23:57:40 +0300
Subject: [PATCH] do not crash with corrupted history entries

Related #455
---
 app.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app.go b/app.go
index 0633375..d33d065 100644
--- a/app.go
+++ b/app.go
@@ -95,6 +95,12 @@ func (app *app) readHistory() error {
 	scanner := bufio.NewScanner(f)
 	for scanner.Scan() {
 		toks := strings.SplitN(scanner.Text(), " ", 2)
+		if toks[0] != ":" && toks[0] != "$" && toks[0] != "%" && toks[0] != "!" && toks[0] != "&" {
+			continue
+		}
+		if len(toks) < 2 {
+			continue
+		}
 		app.cmdHistory = append(app.cmdHistory, cmdItem{toks[0], toks[1]})
 	}