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➜ MUSHclient
➜ General
➜ rex:match pattern works in immediate window but not in a send to script trigger?
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rex:match pattern works in immediate window but not in a send to script trigger?
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| Posted by
| Eupher
(6 posts) Bio
|
| Date
| Tue 10 Aug 2010 11:12 PM (UTC) |
| Message
| I'm new to this and probably doing something stupid... but here goes...
I have a trigger in my world file that calls rex:match in the send to script section. The pattern is not matching there, but if I use the same pattern (and test text) in the immediate window then it matches.
Trigger pattern: ^God tells you: "do (?<order>.+)"$
regular expression is checked
send to script is selected
send:
re = rex.new([[^(t|te|tel|tell)\s+(\S+)\s+do\s+(.+)$]])
s,e,t = re:match("%<order>")
print("%<order>")
print(s,e,t)
When I test the trigger, I get the following output:
God tells you: "do tell me do kill"
tell me do kill
nil nil nil
However, if I put the following script into the immediate window:
re = rex.new([[^(t|te|tel|tell)\s+(\S+)\s+do\s+(.+)$]])
s,e,t = re:match("tell me do kill")
print(s,e,t)
I get the following output:
1 15 table: 03B09530
Why is it matching in one place and not the other?
Thanks :) | | Top |
|
| Posted by
| Nick Gammon
Australia (23,158 posts) Bio
Forum Administrator |
| Date
| Reply #1 on Tue 10 Aug 2010 11:27 PM (UTC) Amended on Tue 10 Aug 2010 11:32 PM (UTC) by Nick Gammon
|
| Message
| It would help if you simply pasted the XML from the trigger rather than explaining it piece by piece.
 |
For advice on how to copy aliases, timers or triggers from within MUSHclient, and paste them into a forum message, please see Copying XML.
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Your problem is that inside the Send box, MUSHclient pre-processes backslash sequences, so that \s won't be sent to the rex.new.
re = rex.new([[^(t|te|tel|tell)\s+(\S+)\s+do\s+(.+)$]])
You need to defeat that by doubling the backslashes, this worked for me:
<triggers>
<trigger
enabled="y"
match="^God tells you: "do (?<order>.+)"$"
regexp="y"
send_to="12"
sequence="110"
>
<send>
re = rex.new([[^(t|te|tel|tell)\\s+(\\S+)\\s+do\\s+(.+)$]])
s,e,t = re:match("%<order>")
print("%<order>")
print(s,e,t)
</send>
</trigger>
</triggers>
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For advice on how to copy the above, and paste it into MUSHclient, please see Pasting XML.
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If this is confusing, use a script file and put the name of a function in the "Script" box of the trigger, and have the function in your script file. Then you don't need to double the backslashes.
For example:
<triggers>
<trigger
enabled="y"
match="^God tells you: "do (?<order>.+)"$"
regexp="y"
script="mytrigger"
sequence="110"
>
</trigger>
</triggers>
And in your script file:
function mytrigger (name, line, wildcards)
re = rex.new([[^(t|te|tel|tell)\s+(\S+)\s+do\s+(.+)$]])
s,e,t = re:match(wildcards.order)
print(wildcards.order)
print(s,e,t)
-- debugging
require "tprint"
tprint (t)
end -- function mytrigger
Output:
God tells you: "do tell me do kill"
tell me do kill
1 15 table: 03917CC0
1="tell"
2="me"
3="kill"
|
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Nick Gammon
Australia (23,158 posts) Bio
Forum Administrator |
| Date
| Reply #2 on Tue 10 Aug 2010 11:29 PM (UTC) |
| Message
| And it would then be more efficient to only "compile" the regexp once:
-- do this when script loaded
re = rex.new([[^(t|te|tel|tell)\s+(\S+)\s+do\s+(.+)$]])
function mytrigger (name, line, wildcards)
s,e,t = re:match(wildcards.order)
print(wildcards.order)
print(s,e,t)
-- debugging
require "tprint"
tprint (t)
end -- function mytrigger
|
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Eupher
(6 posts) Bio
|
| Date
| Reply #3 on Wed 11 Aug 2010 01:54 AM (UTC) |
| Message
| | Thanks for the help. I'll be sure to post the xml next time. :) | | Top |
|
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