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Teario
Member
Joined: 25 Jun 2004
Posts: 130
Location: Liverpool(home) or Derby(uni), UK
  
votes: 3
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 Posted: Sat Jul 01, 2006 6:27 pm Post subject: preventing undefined? |
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It took me a little while to figure out how to use this, but once I did I was glad. I am using your Aiden brain and some of the responses make me laugh so much, especially when he asks if crabs think humans walk sideways.
I decided to have a try at making my own brain, but before I do I just wanted to ask if there is a way to prevent things like this happening:
| Quote: | [Teario][ says (19:22):
hey
[Crybot] says (19:22):
Hello undefined! |
Can you make it so if there is no name defined, he will just say "Hello"?
Thanks  |
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darkmonkey
The Merovingian
Joined: 18 Apr 2004
Posts: 2557
Location: London, England
votes: 7
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| Posted: Sat Jul 01, 2006 8:45 pm Post subject: |
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Sure. Other than just editing the brain, you could just change "undefined" to "" (nothing) before the message is sent:
| Code: | my $message = $brain->getReply($user, $msg); # or whatever
$message =~ s/undefined//isg;
$self->sendMessage($message); |
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~ Josh
[ Need bot hosting on a dedicated server? PM me. ] |
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Cer
Upgraded Agent
Joined: 03 Feb 2004
Posts: 3776
Location: Michigan
votes: 4
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| Posted: Sat Jul 01, 2006 9:07 pm Post subject: |
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"undefined" is used for any <get> tag that uses a variable that was never <set> for the current user. So if the user tells the bot their name before the bot tries to repeat it, it'll be fine.  My bot handled this with an introduction interview for all new users where it'd ask them questions like this.
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Current Site (2008) http://www.cuvou.com/ |
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patrick
Newbie
Joined: 17 Apr 2006
Posts: 42
Location: Arnhem, the Netherlands
votes: 1
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| Posted: Sat Jul 01, 2006 9:13 pm Post subject: |
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| Code: | + hey
* name = * => Hey, <get name>
- hey. |
I don't know if this works. can't test this because someone else is using msn. |
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Cer
Upgraded Agent
Joined: 03 Feb 2004
Posts: 3776
Location: Michigan
votes: 4
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| Posted: Sun Jul 02, 2006 3:21 am Post subject: |
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That wouldn't work, it would check if "name" equals "*"
I did build in something to do exactly what you're wanting though--seeing if "name" is defined. The inequality symbol is a question mark (with no "value")... e.g.
| Code: | + hey
* name ? => Hey, <get name>
- hey. |
http://search.cpan.org/perldoc?RiveScript
| Quote: | You can perform the following operations on variable checks:
| Code: | = equal to
!= not equal to
< less than
<= less than or equal to
> greater than
>= greater than or equal to
? returns true if the var is even defined |
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Current Site (2008) http://www.cuvou.com/ |
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Teario
Member
Joined: 25 Jun 2004
Posts: 130
Location: Liverpool(home) or Derby(uni), UK
votes: 3
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| Posted: Sun Jul 02, 2006 10:42 am Post subject: |
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Okay, I think ive got the hang of it now
Thanks for your help |
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