add option to send message to server from file

README.md

@@ -57,6 +57,11 @@ Send query to graphql server
 ```bash 
 req -t gq -u https://countries.trevorblades.com/ -p 'query {countries {name}}'
 ```
+Use file to send query
+```bash
+req -t gq -u https://countries.trevorblades.com/ -p @myfolder/query.txt
+```
+
 
 ### GRPC
 
@@ -72,7 +77,7 @@ req -t grpc -u localhost:50051 -import-path /pathprotofiles/helloworld -proto he
 | --- | --- |
 | -u | url server |
 | -m | http method |
-| -p | data to send to server  |
+| -p | data to send to server in raw string of use @myfolder/file to send from file  |
 | -t | type protocol (http, ws, gq, grpc) defaut http |
 | -q | http query params |
 | -h | http headers |

main.go

@@ -74,6 +74,20 @@ func main() {
 	download := flag.Bool("d", false, "download content")
 	flag.Parse()
 
+	if len(params.message) > 0 {
+		atSymbol := 64
+		if params.message[0] == byte(atSymbol) {
+			filePath := string(params.message[1:])
+
+			content, err := os.ReadFile(filePath)
+			if err != nil {
+				fmt.Println(styleErr.Render("Error reading file: " + err.Error()))
+				return
+			}
+			params.message = string(content)
+		}
+	}
+
 	validProtocos := []string{"ws", "gq", "http", "grpc"}
 
 	valid := false