Merge pull request #11 from edoardottt/devel

Make a cli tool of it #10

Author: edoardottt

README.md

@@ -29,12 +29,20 @@ Install 📡
 ----------
 
 ```console
-go get github.com/edoardottt/go-readingtime
+go install github.com/edoardottt/go-readingtime/cmd/readt@latest
 ```
 
 Usage 💡
 ----------
 
+CLI tool
+
+```console
+readt <filepath>
+```
+
+Golang module
+
 ```go
 package main
 

cmd/readt/readt.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	reading "github.com/edoardottt/go-readingtime"
+)
+
+const (
+	argsNumber = 2
+)
+
+func main() {
+	if len(os.Args) != argsNumber {
+		log.Fatal("Usage: readt filepath")
+	}
+
+	file, err := os.ReadFile(os.Args[1])
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	t := reading.HumanEstimate(string(file))
+
+	fmt.Printf("It would take about %s.\n", t)
+}