diff --git a/src/error.rs b/src/error.rs
index 56c1f11..19b87e1 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,3 +1,4 @@
+use std::io;
 use thiserror::Error;
 use windows::Win32::Foundation::{GetLastError, BOOL};
 
@@ -5,6 +6,9 @@ use windows::Win32::Foundation::{GetLastError, BOOL};
 pub enum Error {
     #[error("windows error: {0}")]
     WindowsError(String),
+
+    #[error("i/o error: {0}")]
+    IOError(#[from] io::Error),
 }
 
 impl Error {
diff --git a/src/log.rs b/src/log.rs
index 28f4563..f226448 100644
--- a/src/log.rs
+++ b/src/log.rs
@@ -1,19 +1,58 @@
+use crate::error::Error;
 pub use log::{debug, error, info, set_logger, set_max_level, trace, warn, LevelFilter};
 
+use std::{
+    fs::File,
+    io,
+    path::Path,
+    sync::{Arc, Mutex},
+};
+
 use log::{Metadata, Record};
 
-pub struct Log;
+pub struct Log<W> {
+    out: Arc<Mutex<W>>,
+}
+
+impl Log<File> {
+    pub fn file<P: AsRef<Path>>(p: P) -> Result<Self, Error> {
+        let f = File::options().append(true).create(true).open(p)?;
+        Ok(Self {
+            out: Arc::new(Mutex::new(f)),
+        })
+    }
+}
 
-impl log::Log for Log {
+impl<W> Log<W>
+where
+    W: io::Write,
+{
+    pub fn from_writer(w: W) -> Self {
+        Self {
+            out: Arc::new(Mutex::new(w)),
+        }
+    }
+}
+
+impl<W> log::Log for Log<W>
+where
+    W: io::Write + Send,
+{
     fn enabled(&self, _metadata: &Metadata) -> bool {
         true
     }
 
     fn log(&self, record: &Record) {
         if self.enabled(record.metadata()) {
-            println!("{} - {}", record.level(), record.args());
+            if let Ok(out) = self.out.lock().as_deref_mut() {
+                _ = write!(out, "{} - {}\n", record.level(), record.args());
+            }
         }
     }
 
-    fn flush(&self) {}
+    fn flush(&self) {
+        if let Ok(out) = self.out.lock().as_deref_mut() {
+            _ = out.flush();
+        }
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index aac5323..5772efe 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -244,7 +244,16 @@ fn setup_stdout() -> Result<()> {
 }
 
 fn main() -> Result<()> {
-    _ = set_logger(&Log {}).map(|()| set_max_level(LevelFilter::Info));
+    match Log::file("C:\\Users\\JordanOrelli\\wash.log") {
+        Ok(f) => {
+            let target = Box::leak(Box::new(f));
+            _ = set_logger(target).map(|()| set_max_level(LevelFilter::Debug));
+        }
+        Err(e) => {
+            println!("did not open log file: {}", e);
+        }
+    }
+
     setup_stdin()?;
     setup_stdout()?;