import os
import sys

str9 = '<div class="col-sm-9 col-md-9">'
str9_new = '<div class="col-sm-9 col-md-9 col-xs-9">'
str3 = '<div class="col-sm-3 col-md-3">'
str3_new = '<div class="col-sm-3 col-md-3 col-xs-3">'

for paths, dirs, files in os.walk('.'):
   for file in files:
      if file.split('.')[-1] == 'php':
          filename = os.path.join(paths,file)

          #print 'trying :  %s' %filename
          data = None
          wrt = False
          with open(filename, 'r') as f:
             data = f.read()

             #if any(x in data for x in [str9_new, str3_new]):
             if str9_new in data and str3_new in data:
                if "<ul>" in data:
                   print "<ul>"
                   data = data.replace("<ul>", "<ol>")
                   wrt = True
                if "</ul>" in data:
                   print "</ul>"
                   data = data.replace("</ul>", "</ol>")
                   wrt = True
              
          if wrt:
             print 'updating file :  %s' %filename
             with open(filename, 'w') as f:
                data = f.write(data)