gistfile1.sh

#!/bin/sh

find ./ -type f -name "*.html" | while read i
do
  nkf -w $i > $i._backup
done                                                                                                                                                                                 


find ./ -type f -name "*._backup" | while read i
do
  echo $i
  dist=`echo $i | sed -e s/._backup//`
  mv $i $dist
done