From e6571d95eef9378d624dacdbe4bcf5ce9ac13e5c Mon Sep 17 00:00:00 2001
From: 8x4 <46720448+8times4@users.noreply.github.com>
Date: Tue, 7 Oct 2025 11:12:52 +0000
Subject: [PATCH] deduplicate channels

---
 DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs b/DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs
index 09ab2691..ab42ad3a 100644
--- a/DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs
+++ b/DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs
@@ -199,6 +199,10 @@ public abstract class ExportCommandBase : DiscordCommandBase
 
             await console.Output.WriteLineAsync($"Fetched {fetchedThreadsCount} thread(s).");
         }
+        
+        // De-duplicate channels to avoid exporting the same channel multiple times
+        //https://github.com/Tyrrrz/DiscordChatExporter/issues/1433
+        unwrappedChannels = unwrappedChannels.DistinctBy(c => c.Id).ToList();
 
         // Make sure the user does not try to export multiple channels into one file.
         // Output path must either be a directory or contain template tokens for this to work.