From 45b230b2979a221bf1bcde5fee65d03bb8a9637e Mon Sep 17 00:00:00 2001
From: Simon Willison <swillison@gmail.com>
Date: Wed, 17 May 2023 13:33:04 -0700
Subject: [PATCH] Using with a shell

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 0291959..39fe667 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,14 @@ To switch from ChatGPT 3.5 (the default) to GPT-4 if you have access:
 
 Pass `--model <model name>` to use a different model.
 
+### Using with a shell
+
+To generate a description of changes made to a Git repository since the last commit:
+
+    llm "Describe these changes: $(git diff)"
+
+This pattern of using `$(command)` inside a double quoted string is a useful way to quickly assemble prompts.
+
 ## System prompts
 
 You can use `--system '...'` to set a system prompt.