make null behave better

1 files changed, 3 insertions, 1 deletions

diff --git a/src/run/builtin.rs b/src/run/builtin.rs
index 33025cb..ac33458 100644
--- a/src/run/builtin.rs
+++ b/src/run/builtin.rs
@@ -1,5 +1,6 @@
 #![allow(non_camel_case_types)]
 
+use std::io::empty;
 use std::sync::{Arc, Mutex};
 use std::{env::*, fs::OpenOptions, path::PathBuf};
 
@@ -387,9 +388,10 @@ impl Builtin for null {
         &self,
         _session: Arc<Mutex<Session>>,
         _args: &[BString],
-        _stdin: &mut dyn Read,
+        stdin: &mut dyn Read,
         _stdout: &mut dyn Write,
     ) -> Result {
+        io::copy(stdin, &mut io::sink())?;
         Ok(())
     }
 }