文件不要带 . ln 过去的时候会加上 . 的

setup.sh

#!/bin/sh

cd `dirname $0`
F=`pwd |sed -e "s#$HOME/\?##"`

for P in *
do
    # skip setup
    if [ "$P" = "setup.sh" ]; then continue; fi

    # ensure permissions
    chmod -R o-rwx,g-rwx $P

    # skip existing links
    if [ -h "$HOME/.$P" ]; then continue; fi

    # move existing dir out of the way
    if [ -e "$HOME/.$P" ]; then
        rm -rf "$HOME/.$P"
    fi

    # create link
    echo -n "Link "
    ln -v -s "$F/$P" "$HOME/.$P"
done