How to redirect stdin for child process (Linux Shell scripting)

[webdev]

Hi, I'm trying to write a shell script that do ftp and download file periodically, this script should be called by a daemon running in the background. the shell script "script.sh" is as follows: yafc ftp://test:test@192.168.1.225:21 < commands and the "commands" files is d Root/md5* /