diff --git a/pyutil.py b/pyutil.py
index f9ae532..9046b5a 100644
--- a/pyutil.py
+++ b/pyutil.py
@@ -87,22 +87,54 @@ def file_exists(filePath):
     else:
         return False
 
-def file_rename(filename, fromfile):
+# @def Função para renomear arquivo de video gerado pelo blender
+# @see entrada: /temp/arquivo_video_0001-0250.mp4
+# @see saida: /temp/arquivo_video.mp4
+# @param string fileFullPath: Caminho do arquivo a ser renomeado
+# @param bool useTimeStamp: Renomeia o arquivo de acordo com a data e hora do sistema
+# @param bool overwrite: Sobreescreve o arquivo
+# @return string Retorna o nome do arquivo renomeado
+def file_rename(fileFullPath, useTimeStamp = False, overwrite = True):
     from shutil import move
-    newFilename = ""
-    isValidChar = True
+    from os.path import abspath, basename, dirname, join, splitext
+    if (file_exists(fileFullPath) == False):
+        return ""
+    filePath = dirname(abspath(fileFullPath))
+    filename = basename(splitext(fileFullPath)[0])
+    extension = splitext(fileFullPath)[1]
+    filenameInv = ""
+    isValidChar = False
+
+    # Percorre o "filename" do final para o inicio copiando caracteres após o primeiro '_' encontrado
     for char in reversed(filename):
         if (isValidChar == True):
-            newFilename += char
+            filenameInv += char
         if (char == '_'):
             isValidChar = True
-        elif (char == '.'):
-            isValidChar = False
-    if (len(filename) != len(newFilename)):
-        try:
-            move(filename, newFilename[::-1])
-            return 1
-        except Exception as e:
-            printStackTrace(fromfile)
-            return 0
-    return 0
+    try:
+
+        # Inverte sequencia de caracteres que foi copiada
+        filenameInv = filenameInv[::-1]
+
+        if (useTimeStamp == True):
+            # Recupera novo fullPath + nome do arquivo + data/hora + extensão
+            newFilename = join(filePath, "%s_%s%s" % (filenameInv, getTimeStamp(), extension))
+        else:
+            # Recupera novo fullPath + nome do arquivo + extensão
+            newFilename = join(filePath, "%s%s" % (filenameInv, extension))
+
+            # Enumera o nome do arquivo caso o parametro "overwrite" seja "False" e o arquivo já exista
+            if (overwrite == False):
+                count = 0
+                while (file_exists(newFilename) == True):
+                    count += 1
+                    # newFilename = join(filePath, "%s_%i%s" % (filenameInv, count, extension))
+                    newFilename = join(filePath, "%s_%0.4i%s" % (filenameInv, count, extension))
+
+        log("Rename: '%s' to: '%s'" %(fileFullPath, newFilename))
+        move(fileFullPath, newFilename)
+        return newFilename
+
+    except Exception as e:
+        printStackTrace(__file__)
+        return ""
--
libgit2 0.21.2