From 365465ea66d68df515d8cbd66d4f1f0e4411cf29 Mon Sep 17 00:00:00 2001
From: Jonas Maier <jonas@x77.dev>
Date: Fri, 8 May 2026 23:27:45 +0200
Subject: heredoc builtin

---
 src/run/builtin.rs | 29 ++++++++++++++++++++++++++---
 src/run/mod.rs     |  1 +
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/run/builtin.rs b/src/run/builtin.rs
index a40ef51..d060911 100644
--- a/src/run/builtin.rs
+++ b/src/run/builtin.rs
@@ -860,7 +860,7 @@ impl Builtin for source {
 #[derive(Copy, Clone)]
 pub struct Break;
 
-impl Builtin for Break  {
+impl Builtin for Break {
     fn name(&self) -> &str {
         "break"
     }
@@ -879,7 +879,7 @@ impl Builtin for Break  {
 #[derive(Copy, Clone)]
 pub struct Continue;
 
-impl Builtin for Continue  {
+impl Builtin for Continue {
     fn name(&self) -> &str {
         "continue"
     }
@@ -893,4 +893,27 @@ impl Builtin for Continue  {
     ) -> Result {
         Err(Error::Continue)
     }
-}
\ No newline at end of file
+}
+
+#[derive(Copy, Clone)]
+pub struct Here;
+
+impl Builtin for Here {
+    fn name(&self) -> &str {
+        "here"
+    }
+
+    fn io(
+        &self,
+        _session: Arc<Mutex<Session>>,
+        args: &[BString],
+        _stdin: &mut dyn Read,
+        stdout: &mut dyn Write,
+    ) -> Result {
+        if args.is_empty() {
+            return Err(Error::Exit(1));
+        }
+        stdout.write_all(&args[0])?;
+        Ok(())
+    }
+}
diff --git a/src/run/mod.rs b/src/run/mod.rs
index 7770b86..885261b 100644
--- a/src/run/mod.rs
+++ b/src/run/mod.rs
@@ -687,6 +687,7 @@ const BUILTINS: &[&'static dyn BuiltinClone] = &[
     &builtin::source,
     &builtin::Break,
     &builtin::Continue,
+    &builtin::Here,
 ];
 
 pub fn builtin_map() -> HashMap<BString, &'static dyn BuiltinClone> {
-- 
cgit v1.2.3