1 files changed, 16 insertions, 0 deletions
diff --git a/ncat/scripts/echo.lua b/ncat/scripts/echo.lua
new file mode 100644
index 0000000..3bfea90
--- /dev/null
+++ b/ncat/scripts/echo.lua
@@ -0,0 +1,16 @@
+--Emulates the RFC 862 echo service, behaving like Unix's "cat" tool.
+
+while true do
+
+  --We're reading in 1-byte chunks because calls like io.stdin:read(512) would
+  --wait for full 512 bytes of data before continuing.
+  data = io.stdin:read(1)
+
+  if data == nil then
+    break
+  end
+
+  io.stdout:write(data)
+  io.stdout:flush()
+
+end