From 1929788fba900e3a306d31e92f6fae2aa7733278 Mon Sep 17 00:00:00 2001
From: A Farzat <a@farzat.xyz>
Date: Sat, 20 Jun 2026 03:41:37 +0300
Subject: Add r2md-append binary

---
 src/bin/r2md-append.rs | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/bin/r2md-append.rs

diff --git a/src/bin/r2md-append.rs b/src/bin/r2md-append.rs
new file mode 100644
index 0000000..4cd2ae9
--- /dev/null
+++ b/src/bin/r2md-append.rs
@@ -0,0 +1,50 @@
+use std::{ffi::OsString, io};
+
+use clap::Parser;
+use repo2markdown::path_list_editor::append_paths;
+
+/// Append paths to a null-separated file list from stdin.
+#[derive(Debug, Parser)]
+#[command(version, about, long_about = None)]
+struct Cli {
+    /// Paths to append to the input sequence.
+    paths: Vec<OsString>,
+}
+
+fn main() -> io::Result<()> {
+    let cli = Cli::parse();
+    append_paths(io::stdin().lock(), io::stdout().lock(), &cli.paths)
+}
+
+#[cfg(test)]
+mod tests {
+    use std::ffi::OsString;
+
+    use clap::Parser;
+
+    use super::Cli;
+
+    #[test]
+    fn accepts_no_paths() {
+        let cli = Cli::try_parse_from(["r2md-append"]).unwrap();
+
+        assert_eq!(cli.paths, Vec::<OsString>::new());
+    }
+
+    #[test]
+    fn accepts_one_path() {
+        let cli = Cli::try_parse_from(["r2md-append", "README.md"]).unwrap();
+
+        assert_eq!(cli.paths, vec![OsString::from("README.md")]);
+    }
+
+    #[test]
+    fn accepts_multiple_paths() {
+        let cli = Cli::try_parse_from(["r2md-append", "README.md", "src/main.rs"]).unwrap();
+
+        assert_eq!(
+            cli.paths,
+            vec![OsString::from("README.md"), OsString::from("src/main.rs")]
+        );
+    }
+}
-- 
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