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Newbie Joined: 26 Mar 2008 Posts: 5

Hi,

for example CMUD display this lines

Wizard Joined: 26 Mar 2008 Posts: 1547

You want it to trigger whenever "the seventh part of magic" comes up?

#TRIGGER {the seventh part of magic} {command}

Posted: Wed Mar 26, 2008 8:09 pm

I think he means that "the seventh part of magic" can vary. So:

#trig {anvil ~(glowing~)} {command}

would do. Or you could use:

#trig {[%w ] anvil ~(glowing~)} {command}

or

#regex {[\w ]+? anvil $glowing$} {command}

Wizard Joined: 26 Mar 2008 Posts: 1547

#TRIGGER {* anvil ~(glowing~)} {command}

Posted: Wed Mar 26, 2008 8:18 pm

Yes, that'll also work, but it'll be very slow. * at the beginning or end of a pattern takes ages to match (there was a long discussion about that in another thread), so you should only use it if you absolutely have to.

Wizard Joined: 26 Mar 2008 Posts: 1547

Ah, fun.

Newbie Joined: 26 Mar 2008 Posts: 5

Wizard Joined: 25 Mar 2003 Posts: 1113 Location: USA

If you're trying to capture the first part, you need something more like:

Posted: Thu Mar 27, 2008 1:28 pm

Put brackets around what you want to capture. So:

([%w ]) anvil ~(glowing~)

Edit: Gah! You're doing it deliberately now :(

Newbie Joined: 26 Mar 2008 Posts: 5

Wizard Joined: 17 Jun 2006 Posts: 1201

I have a question...is it always an "anvil" in that line? Are you trying to capture the level of magic on the anvil or something? I'm just trying to figure out why you are capturing "the seventh part of magic" instead of "the seventh part of magic anvil" since the anvil is the actual item.

Newbie Joined: 26 Mar 2008 Posts: 5

Wizard Joined: 22 Mar 2007 Posts: 2320

I'm afraid you'll have to explain a bit. Those are completely different lines. What exactly are you trying to do? Are you trying to learn the general method of constructing a capture within a trigger? Or are you trying to make some specific triggers for these situations? The three example lines you've given would need separate triggers.

Newbie Joined: 26 Mar 2008 Posts: 5

Wizard Joined: 25 Mar 2003 Posts: 1113 Location: USA

If you use the (*) from my example, you'll capture multiple words easily.

Wizard Joined: 22 Mar 2007 Posts: 2320

Right. For that one, the following would store the name (e.g. a dangerous flower) in the variable @test:

#trig {(*) is dead! R.I.P.} {#va test %1}

Unfortunately, this trigger has an initial *, since I imagine the number of words you need to capture can vary. That means it will be a slow trigger, comparatively.

There is an alternative which avoids the initial *:

#trig {" is dead! R.I.P."} {#call %match(%line, "* is dead! R.I.P.", $name); #va test $name}

This version only does the greedy matching on lines which we know will match.

Novice Joined: 09 Oct 2007 Posts: 36

Adept Joined: 21 Sep 2005 Posts: 250 Location: Austin, TX

Both versions will work. It's just that the simpler version ('#trig {(*) is dead! R.I.P.} {#va test %1}') will be a LOT slower, since the pattern-matching engine has to do a lot of work to decide whether to accept or reject a line.

Might not matter with only a couple of triggers, but if you start getting dozens to hundreds (and some of us DO have that many triggers), you'll begin to see noticeable or even crippling lag as each line is received from your MUD. Rahab is just trying to spare you some of that pain later.

Novice Joined: 09 Oct 2007 Posts: 36

Yeah, I have a ton of triggers that i thought HAD to start with * or (*) for matching that first word or so..
Seeing how that it isnt 100% required.. It would speed things up, I'm all for it, I hate seeing my client lag.

Wizard Joined: 17 Jun 2006 Posts: 1201

This is what I use instead of a greedy star at the beginning of a line in Regex. I'm sure someone will say it is wrong, but it works just fine.

Posted: Sun Mar 30, 2008 6:07 pm

Wizard Joined: 22 Mar 2007 Posts: 2320

Oops, just noticed an error in my second suggested code. I forgot parentheses in the %match. And I could have used the @test within the %match instead of the local variable:

#trig {" is dead! R.I.P."} {#call %match(%line, "(*) is dead! R.I.P.", @test)}