From d75b33a3a336b16826dd8a2b5e3b03eb44c0164b Mon Sep 17 00:00:00 2001
From: nobody <59990325+vrnobody@users.noreply.github.com>
Date: Fri, 16 Jan 2026 18:55:43 +0800
Subject: [PATCH] Commands: "xray run -dump" supports reading JSON from STDIN
 (#5550)

Fixes https://github.com/XTLS/Xray-core/issues/5534
---
 core/config.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/core/config.go b/core/config.go
index 8f2018e6..3ab2a376 100644
--- a/core/config.go
+++ b/core/config.go
@@ -64,7 +64,11 @@ func GetMergedConfig(args cmdarg.Arg) (string, error) {
 	var files []*ConfigSource
 	supported := []string{"json", "yaml", "toml"}
 	for _, file := range args {
-		format := GetFormat(file)
+		format := "json"
+		if file != "stdin:" {
+			format = GetFormat(file)
+		}
+
 		if slices.Contains(supported, format) {
 			files = append(files, &ConfigSource{
 				Name:   file,