#!/usr/bin/ksh
for i in `find . -name '* *' | cut -c3- |tr -d '/' | tr ' ' '~'`;
do
echo $i;
file1=`echo "$i" | tr '~' '\ '`;
file2=`echo "$i" | tr '~' '_'`;
echo $file1;
echo $file2;
mv -f "$file1" $file2;
done