gistfile1.sh

#!/bin/sh

pwd=`pwd`
for i in dot.*
do
    if [ -d "$i" ]
    then
        for j in `find $i -type file`
        do
            s=`echo $j | sed -e s/^dot//`
            if [ -e "$HOME/$s" ]
            then
                mv $HOME/$s $HOME/$s.bak
            else
                b=`dirname $j`
                mkdir -p $b
            fi
            ln -s $pwd/$j $HOME/$s
        done
    else
        s=`echo $i | sed -e s/^dot//`
        if [ -e "$HOME/$s" ]
        then
            mv $HOME/$s $HOME/$s.bak
        fi
        ln -s $pwd/$i $HOME/$s
    fi
done

thanks, I got it.