From ec3c70454feb0c0bc17eb8c28ba90dc952dabf73 Mon Sep 17 00:00:00 2001
From: Dominik Dorn <dominik@dominikdorn.com>
Date: Tue, 25 Jan 2022 14:34:09 +0100
Subject: [PATCH] document how to pass payload from file, fixes #279

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index cbb7e4f8..824dbb79 100644
--- a/README.md
+++ b/README.md
@@ -146,6 +146,12 @@ grpcurl -d @ grpc.server.com:443 my.custom.server.Service/Method <<EOM
 EOM
 ```
 
+Sometimes it might be necessary to read the payload from a file. This worked for some users:
+
+```shell
+grpcurl -d "$(cat my.json)" grpc.server.com:443 my.custom.server.Service/Method
+```
+
 ### Listing Services
 To list all services exposed by a server, use the "list" verb. When using `.proto` source
 or protoset files instead of server reflection, this lists all services defined in the