From 68d5b39cfd8a5253a418891232be72cc45ca0c4c Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sun, 1 Nov 2026 15:43:30 -0500
Subject: [PATCH] Error if no input file given

---
 src/fart/main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/fart/main.cpp b/src/fart/main.cpp
index 97e9ccd..0f82813 100644
--- a/src/fart/main.cpp
+++ b/src/fart/main.cpp
@@ -10,6 +10,11 @@ int main(int argc, char * argv[])
     {
         return rc - 1;
     }
+    if (cli.input_file.empty())
+    {
+        fprintf(stderr, "Error: no input file specified\n");
+        return 1;
+    }
     Engine engine(cli.params);
     return engine.run(cli.input_file, cli.output_file);
 }