| #!/bin/bashecho "hello world!" > ftp_userpwd_list.txt
 date_str=`date '+%Y-%m-%d-%H:%M:%S'`
 back_file="$date_str.proftpd.passwd"
 cp /etc/proftpd.passwd $back_file
 for user in $(cat /etc/proftpd.passwd | gawk -F: '{print $1}')
 do
 new_passwd_text="$RANDOM"
 #make md5 passwd
 new_passwd_md5=`echo "$new_passwd_text" | md5sum |cut -d ' ' -f1`
 #save passwd text
 echo "$user:$new_passwd_md5" >> ftp_userpwd_list.txt
 echo "$new_passwd_md5" | ftpasswd --passwd --name=$user --change-password --stdin --md5 --file=/etc/proftpd.passwd
 done
 |