commit 7a996b671b0e0738b989fc72a18b590306d0a30f
Author: pjht <pterpstra@pterpstra.com>
Date:   Fri Oct 4 12:39:56 2024 -0500

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..cc6cfdb
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "tstamper"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..fef34dc
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "tstamper"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5be9fd4
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,43 @@
+use std::io::{self, BufRead};
+use std::time::{Duration, Instant};
+
+fn main() -> io::Result<()> {
+    let mut lines = io::stdin().lock().lines();
+
+    let start_time = loop {
+        if let Some(line) = lines.next() {
+            let start_time = Instant::now();
+
+            let line = line?;
+
+            if line.starts_with("[PMM]") {
+                println!("{} {line}", format_timestamp(Duration::new(0, 0)));
+                break start_time;
+            } else {
+                println!("FIRM {line}");
+            }
+        } else {
+            return Ok(());
+        }
+    };
+
+    for line in lines {
+        let line = line?;
+        let elapsed = Instant::now().duration_since(start_time);
+        println!("{} {line}", format_timestamp(elapsed));
+    }
+
+    Ok(())
+}
+
+fn format_timestamp(duration: Duration) -> String {
+    let micros = duration.as_micros();
+    let secs = micros / 1_000_000;
+    let micros = micros % 1_000_000;
+
+    let hours = secs / 3600;
+    let mins = (secs % 3600) / 60;
+    let secs = secs % 60;
+
+    format!("{:02}:{:02}:{:02}.{:06}", hours, mins, secs, micros)
+}