From e98f614543d886fb0d16f82d147b392531a3b9f5 Mon Sep 17 00:00:00 2001
From: Vincent Batts <vbatts@hashbangbash.com>
Date: Wed, 4 Mar 2020 10:08:24 -0500
Subject: [PATCH] main: fail-pretty with no args

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
---
 main.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/main.go b/main.go
index 9622d0e..6a37654 100644
--- a/main.go
+++ b/main.go
@@ -8,6 +8,10 @@ import (
 )
 
 func main() {
+	if len(os.Args[1:]) == 0 {
+		fmt.Println("please provide path to a tar archive")
+		os.Exit(1)
+	}
 	fh, err := os.Open(os.Args[1])
 	if err != nil {
 		log.Fatal(err)