From bba678cc8b338975e60552339fdef89de30b3f00 Mon Sep 17 00:00:00 2001
From: "David J. Malan" <malan@harvard.edu>
Date: Thu, 18 Jan 2024 17:06:16 -0500
Subject: [PATCH] added helper

---
 opt/cs50/lib/help50/bash | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/opt/cs50/lib/help50/bash b/opt/cs50/lib/help50/bash
index de1198c..6c298b0 100755
--- a/opt/cs50/lib/help50/bash
+++ b/opt/cs50/lib/help50/bash
@@ -12,6 +12,11 @@ if [[ "$output" =~ $regex ]]; then
     fi
 fi
 
+regex="bash: \./(.*): Is a directory"
+if [[ "$output" =~ $regex ]]; then
+    echo "Cannot execute a directory. Did you mean to \`cd\` into \`${BASH_REMATCH[1]}\` instead?"
+fi
+
 regex="bash: (./.*\.py): Permission denied"
 if [[ "$output" =~ $regex ]]; then