#!/bin/sh
CUR=`pwd`
for i in `find . -type d`; do
  echo $i
  cd $i
  for i in `ls *htm`; do
    sed "/Begin Ads/,/End Ads/d" <$i >tmpzz
    mv tmpzz $i
  done
  for i in `ls *html`; do
    sed "/Begin Ads/,/End Ads/d" <$i >tmpzz
    mv tmpzz $i
  done
  cd $CUR
done
