From b3d73e7870e9598722ed0fb3e7a2449fcc5ce263 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Mon, 4 Sep 2017 01:56:01 +0200
Subject: [PATCH] avoid hexcat printing nonprintable characters

---
 hexcat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hexcat.c b/hexcat.c
index 01a9096..93c7373 100755
--- a/hexcat.c
+++ b/hexcat.c
@@ -32,7 +32,7 @@ int main(void)
     char c = getchar();
     int n = c == 27 ? 33 : 36;
     if(c==27)printf("\n");
-    printf("%2d \e[%dm%c\e[m ", c, n, c); // <- change d to X or x if you want hex
+    printf("%2d \e[%dm%c\e[m ", c, n, c<32||c>126?'.':c); // <- change d to X or x if you want hex
   }
 }