在vim中实现批量加密

　　如何实现通过VIM批量对文件加密？
　　============================================================
　　#!/bin/bash
　　# Encrypt file with vim
　　
　　if (test $# -lt 2) then
　　 echo Usage: decrypt password filename
　　else
　　 vim -e -s -c ":set key=$1" -c ':wq' $2
　　 echo "$2 encrypted."
　　fi
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　　[weeder@SMTH weeder]$ for file in *.txt ; do encrypt test $file ; done
　　test2.txt encrypted.
　　test4.txt encrypted.
　　test9.txt encrypted.
　　kick.txt encrypted.
　　 echo "$2 encrypted."
　　fi
　　[weeder@SMTH weeder]$ for file in *.txt ; do encrypt test $file ; done
　　test2.txt encrypted.
　　test4.txt encrypted.
　　test9.txt encrypted.
　　kick.txt encrypted.
　　too_old.txt encrypted.
　　too_old_again.txt encrypted.
　　bg5.txt encrypted.
　　[weeder@SMTH weeder]$