basic command

cmd/slinguist/main.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/src-d/simple-linguist"
+)
+
+func main() {
+	flag.Parse()
+	root := flag.Arg(0)
+
+	o := make(map[string][]string, 0)
+	filepath.Walk(root, func(path string, f os.FileInfo, err error) error {
+		if slinguist.IsVendor(f.Name()) || slinguist.IsDotFile(f.Name()) {
+			if f.IsDir() {
+				return filepath.SkipDir
+			}
+
+			return nil
+		}
+
+		if f.IsDir() {
+			return nil
+		}
+
+		l, safe := slinguist.GetLanguageByExtension(path)
+		if !safe {
+			content, _ := ioutil.ReadFile(path)
+			l, safe = slinguist.GetLanguageByContent(path, content)
+
+		}
+
+		o[l] = append(o[l], path)
+		return nil
+	})
+
+	js, _ := json.MarshalIndent(o, "", "  ")
+	fmt.Printf("%s\n", js)
+}