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Ren
Beginner
Joined: 04 Apr 2003
Posts: 27
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 Posted: Fri May 30, 2003 10:03 pm
comparing a string to a variable
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Used in a trigger value, the below doesn't work when I try to match it to the number stored in @amount.
#if ("36|32|28|24|20|16|12|8|4|0" =~ @amount) {#show Aha!}
This is the value for a test alias I created, which did work.
#if ("0|4|8|12|16|20|24|28" =~ {%1}) {#show Aha!}
*wonders why the first example doesn't work*
- Ren |
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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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Posted: Fri May 30, 2003 11:04 pm
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The pattern matching operator =~ is almost never needed. As to why the first doesn't work when the second does I don't know. In both cases though the pattern should be the second operand. So you should have a syntax of:
#IF (@amount =~ "{36|32|28|24|20|16|12|8|4|0}") {#SHOW Aha!}
Note the addittion of braces to your pattern. When using the pattern matching operator all the rules that apply to trigger patterns apply. Hence the {}'s are required to mark a list of possibilities. |
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Ren
Beginner
Joined: 04 Apr 2003
Posts: 27
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Posted: Thu Jun 05, 2003 11:57 am
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Okay, this is the value when my trigger fires.
#ad inv_portal -1
#if ({@inv_portal} =~ "{20|16|12|8|4|0}") {#show Daily limit!}
The problem is that the #if fires when @inv_portal is
18
16
14
12
10
8
4
0
-4
-8
Why does it go around firing on weird numbers not specified in the string I gave it?
- Ren |
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Kjata
GURU
Joined: 10 Oct 2000
Posts: 4379
Location: USA
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Posted: Thu Jun 05, 2003 12:42 pm
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Remember that you are dealing with a pattern here. Unless you explicitly anchor a pattern it will match at the beginning, at the end or anywhere in the middle. Thus a pattern of:
{20|16|12|8|4|0}
will match any number that contains one of those numbers. Such as: 2013, 16478, 87, 42, 10, -18, -121, -34, and many others.
What you need is to tell zMUD that the pattern is supposed to appear at the beginning and be the last thing in the number (i.e. that the number is one of those in the stringlist). This pattern should do it:
^{20|16|12|8|4|0}$
Kjata |
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Ren
Beginner
Joined: 04 Apr 2003
Posts: 27
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Posted: Thu Jun 05, 2003 12:52 pm
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Hmm, ^ and $ didn't work.
I also tried "{"20"|"16"|"12"|"8"|"4"|"0"}" which didn't work either.
- Ren |
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Kjata
GURU
Joined: 10 Oct 2000
Posts: 4379
Location: USA
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Posted: Thu Jun 05, 2003 1:15 pm
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Oh, and remove the curly braces from around @inv_portal.
Kjata |
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Ren
Beginner
Joined: 04 Apr 2003
Posts: 27
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Posted: Thu Jun 05, 2003 3:26 pm
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That fixed it. :) Thanks Kjata.
- Ren |
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