From 570b35fa02be0c9f05df6170d4a0ab5201ab3bba Mon Sep 17 00:00:00 2001
From: Dan Buch <dan@meatballhat.com>
Date: Tue, 16 Oct 2018 10:33:22 -0400
Subject: [PATCH] Tweaking thinkfan-confgen a bit

---
 thinkfan-confgen | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/thinkfan-confgen b/thinkfan-confgen
index 66ebdcb..bf6b0a4 100755
--- a/thinkfan-confgen
+++ b/thinkfan-confgen
@@ -1,7 +1,14 @@
 #!/usr/bin/env bash
 set -o errexit
+set -o pipefail
 
 main() {
+  if [[ -f "${1}" ]]; then
+    exec 1>"${1}"
+  fi
+
+  printf "# thinkfan-confgen created %s\n" "$(date -u)"
+
   find /sys -type f -name 'temp*_input' | while read -r line; do
     echo "hwmon ${line}"
   done