From a5a8e3a5f301e6d10bdb5b0bdd8882f8ac3b46b2 Mon Sep 17 00:00:00 2001
From: Tangent <rose@tangentfox.com>
Date: Sat, 13 Jan 2024 15:43:04 -0700
Subject: [PATCH] guard against yt-dlp missing, better helptext

---
 video-dl.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/video-dl.lua b/video-dl.lua
index eef505f..a33b7e3 100644
--- a/video-dl.lua
+++ b/video-dl.lua
@@ -2,7 +2,7 @@
 
 local helptext = [[Usage:
 
-  ./video-dl.lua [action] <url>
+  video-dl.lua [action] <url>
 
 [action]: What is desired.
             video (default): Highest quality video (maximum 720p).
@@ -16,6 +16,10 @@ local helptext = [[Usage:
             yt-dlp works with.
 ]]
 
+if os.execute("where yt-dlp") ~= 0 then
+  error("yt-dlp must be installed and in the path (accessible to CMD.exe)")
+end
+
 local action, url
 
 if #arg < 2 then