Fix exist method

file.go

@@ -644,12 +644,11 @@ func saveWithGit(fp *FilePages, p string, summary, author string) error {
 
 func (fp *FilePages) Exist(p string) bool {
 	pageName := filepath.Join(fp.dirname, strings.Replace(p, " ", "_", -1))
-	log.Printf("Exist? %s\n", pageName)
 	_, err := os.Stat(pageName)
 	if err != nil {
-		return os.IsExist(err)
+		return !os.IsNotExist(err)
 	}
-	return false
+	return true
 }
 
 func DiffPrettyHtml(diffs []diffmatchpatch.Diff) string {