Fixed delete command for arrays

yq_test.go

@@ -106,3 +106,11 @@ func TestDeleteYaml(t *testing.T) {
 		"[{a Easy! as one two three} {b [{d [3 4]} {e [[{name fred} {value 3}] [{name sam} {value 4}]]}]}]",
 		formattedResult)
 }
+
+func TestDeleteYamlArray(t *testing.T) {
+	result, _ := deleteYaml([]string{"examples/sample_array.yaml", "[1]"})
+	formattedResult := fmt.Sprintf("%v", result)
+	assertResult(t,
+		"[1 3]",
+		formattedResult)
+}