From 4e41cf7aa6e33dba92d6d6a655aa80d9ba3339ab Mon Sep 17 00:00:00 2001
From: jienfak <jienfak@protonmail.com>
Date: Sat, 7 Mar 2020 15:22:45 +0500
Subject: [PATCH] "tac" and "cat" commands now can return 1 status if
 sometthing is wrong.

---
 cat/cat.go | 2 ++
 tac/tac.go | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/cat/cat.go b/cat/cat.go
index 78330e8..5a72933 100644
--- a/cat/cat.go
+++ b/cat/cat.go
@@ -39,11 +39,13 @@ func Run(args []string) int {
 	args = args[1:]
 	flagSet := flag.NewFlagSet(arg0, flag.ExitOnError)
 	flagSet.Parse(args)
+	args = flagSet.Args()
 	if len(args)>0 {
 		for _, p := range args {
 			e := cat(p)
 			if e != nil {
 				fmt.Fprintf(os.Stderr, "%s: %s.\n", arg0, e)
+				status = 1
 			}
 		}
 	} else {
diff --git a/tac/tac.go b/tac/tac.go
index d6efda1..d3f9012 100644
--- a/tac/tac.go
+++ b/tac/tac.go
@@ -53,11 +53,13 @@ func Run(args []string) int {
 	args = args[1:]
 	flagSet := flag.NewFlagSet(arg0, flag.ExitOnError)
 	flagSet.Parse(args)
+	args = flagSet.Args()
 	if len(args)>0 {
 		for _, p := range args {
 			e := tac(p)
 			if e != nil {
 				fmt.Fprintf(os.Stderr, "%s: %s.\n", arg0, e)
+				status = 1
 			}
 		}
 	} else {