Add a first version of obitag the successor of ecotag

pkg/goutils/goutils.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"io"
 	"os"
 	"reflect"
@@ -12,6 +13,15 @@ import (
 	"github.com/barkimedes/go-deepcopy"
 )
 
+// InterfaceToInt converts a interface{} to an integer value if possible.
+// If not a "NotAnInteger" error is returned via the err
+// return value and val is set to 0.
+func InterfaceToString(i interface{}) (val string, err error) {
+	err = nil
+	val = fmt.Sprintf("%V", i)
+	return
+}
+
 // NotAnInteger defines a new type of Error : "NotAnInteger"
 type NotAnInteger struct {
 	message string