From 7a3bc82f02480088052d4d583c89b7cd9c90f8cf Mon Sep 17 00:00:00 2001 From: Scott Worley Date: Tue, 10 Oct 2023 16:51:57 -0700 Subject: [PATCH 1/1] server: Only write CSV headers when initially creating the log file --- server/src/main.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/server/src/main.rs b/server/src/main.rs index 62ef41e..573edc5 100644 --- a/server/src/main.rs +++ b/server/src/main.rs @@ -81,12 +81,15 @@ impl Range { } fn main() { + let log_file_exists = std::path::Path::new(LOGFILENAME).exists(); let logfile = std::fs::OpenOptions::new() - .create(true) + .create_new(!log_file_exists) .append(true) .open(LOGFILENAME) .expect("Coudln't open log file"); - let mut log = csv::Writer::from_writer(logfile); + let mut log = csv::WriterBuilder::new() + .has_headers(!log_file_exists) + .from_writer(logfile); let mut presses = HashMap::::new(); let socket = UdpSocket::bind("0.0.0.0:29803").expect("couldn't bind to address"); loop { -- 2.44.1