From 60d59f4d5574c00cbb391cd58da3ed959de1ba2b Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Mon, 4 May 2026 08:23:56 -0400
Subject: [PATCH] early startup options could be run non-interactively

https://github.com/NetHack/NetHack/issues/1512

Closes #1512
---
 win/tty/wintty.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/win/tty/wintty.c b/win/tty/wintty.c
index e7e11e9f2..f509cbc51 100644
--- a/win/tty/wintty.c
+++ b/win/tty/wintty.c
@@ -766,6 +766,8 @@ getret(void)
 #if defined(MICRO) || defined(WIN32CON)
     getreturn("to continue");
 #else
+    if (!isatty(STDIN_FILENO))
+        return;
     HUPSKIP();
     xputs("\n");
     if (flags.standout)