From c5a6f829a9ebe8fa51e23d85aa00bf937500f5c7 Mon Sep 17 00:00:00 2001
From: Maxim Likhachev <envrm@yandex.ru>
Date: Wed, 13 Nov 2019 22:04:39 +0300
Subject: [PATCH] viper: show output only if exit code is 0

---
 viper | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/viper b/viper
index 3333a3f..96bbf26 100755
--- a/viper
+++ b/viper
@@ -1,10 +1,12 @@
 #!/bin/bash
 
-# (c) https://stackoverflow.com/questions/10686183/pipe-vim-buffer-to-stdout/10686830#10686830
-
 TMPFILE=$(mktemp /tmp/viper.XXXXXXXX)
 cat > "$TMPFILE"
 $EDITOR "$@" "$TMPFILE" < /dev/tty > /dev/tty
-cat "$TMPFILE"
+
+if [ "$?" -eq 0 ]; then
+	cat "$TMPFILE"
+fi
+
 \rm -f "$TMPFILE"