Create data directory and file if they do not exist, fixes #1

main.go

@@ -27,6 +27,7 @@ import (
 	"time"
 	"encoding/json"
 	"io/ioutil"
+	"path/filepath"
 )
 
 type Record struct {
@@ -80,13 +81,24 @@ func main() {
 	datafile := os.Getenv("HOME") + "/.gott/data.json"
 	args := os.Args[1:]
 
+	dir := filepath.Dir(datafile)
+	if _, errDir := os.Stat(dir); os.IsNotExist(errDir) {
+		errCreateDir := os.Mkdir(dir, 0777)
+		if errCreateDir == nil {
+			fmt.Println("Created data directory")
+		} else {
+			fmt.Println("Cannot create data directory. Please create it on your own")
+			return
+		}
+	}
+
 	// representation of the data
 	data := Records {
 		Entries: []Record {},
 	}
 
 
-	jsonFile, err := os.Open(datafile)
+	jsonFile, err := os.Create(datafile)
 
 	if err != nil {
 		fmt.Println(err)