GnuPG in Perl Script

[O . H .]

>When I run this command: 'gpg -e $filename', it always asks for the user
id.
>How can I make it that when I create a key, I can place the uid in the
>command?

>Thank you VERRY much for all the help.
 
>Benjamin S.

I'm not sure to fully understand the question ...
But what you need is maybe the option '-r'
example gpg -r <something to identify a key> -e $filename
something to idenify could be key-id,e-mail address (see documentation of
gpg)