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➜ MUSHclient
➜ General
➜ Problem with Regexp
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Posted by
| Halig
Portugal (123 posts) Bio
|
Date
| Tue 29 Dec 2015 11:23 PM (UTC) |
Message
| Hello to you all. It's been a while. I have a new problem that i can't seem to fix.
<triggers>
<trigger
enabled="y"
match="([^.]+)(\s+)([^.]+) Dried fruit rations"
regexp="y"
send_to="12"
sequence="100"
>
<send>dried = "%1"
first = string.match(dried, "((%d+))")
SetVariable ("dried", first)
</send>
</trigger>
</triggers>
The MUD output is:
(71) (Assorted) Dried fruit rations
I'm trying to save to a variable the number of Dried fruit rations that i have on the inventory.
That works, but if i send to the MUD "drop dried" it gives the following error:
[string "Trigger: "]:5: bad argument #2 to 'SetVariable' (string expected, got nil)
stack traceback:
[C]: in function 'SetVariable'
[string "Trigger: "]:5: in main chunk
How can i fix this?
Thank you. | Top |
|
Posted by
| Nick Gammon
Australia (23,133 posts) Bio
Forum Administrator |
Date
| Reply #1 on Wed 30 Dec 2015 05:16 AM (UTC) |
Message
|
Quote:
That works, but if i send to the MUD "drop dried" it gives the following error:
If you send "drop dried" what is the MUD output? |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
|
Posted by
| Halig
Portugal (123 posts) Bio
|
Date
| Reply #2 on Wed 30 Dec 2015 10:01 AM (UTC) |
Message
| Hi Nick,
The MUD output is:
You release (Assorted) Dried fruit rations from your grasp.
(Assorted) Dried fruit rations hits the ground. | Top |
|
Posted by
| Halig
Portugal (123 posts) Bio
|
Date
| Reply #3 on Wed 30 Dec 2015 08:43 PM (UTC) Amended on Wed 30 Dec 2015 08:44 PM (UTC) by Nick Gammon
|
Message
| I've figured it out.
Made two triggers.
<triggers>
<trigger
enabled="y"
group="Inventory"
lines_to_match="2"
match="You are carrying:"
regexp="y"
send_to="12"
sequence="100"
>
<send>EnableTrigger ( "inv", true )</send>
</trigger>
</triggers>
And that one, enables the second one:
<triggers>
<trigger
group="Inventory"
match="^([^.]+)(.*)([^.]+) Dried fruit rations"
name="inv"
regexp="y"
send_to="12"
sequence="100"
>
<send>number = "%1"
first = string.match(number, "((%d+))")
SetVariable ("dried", first)
EnableTrigger ( "inv", false )</send>
</trigger>
</triggers>
This way all is working like i wanted to.
Thank you. | Top |
|
Posted by
| Nick Gammon
Australia (23,133 posts) Bio
Forum Administrator |
Date
| Reply #4 on Wed 30 Dec 2015 08:46 PM (UTC) |
Message
| I was about to suggest that:
(Assorted) Dried fruit rations hits the ground.
That has more words after "Dried fruit rations" so you could have put a "$" at the end of the regexp to make it match that text with nothing after it. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
|
Posted by
| Halig
Portugal (123 posts) Bio
|
Date
| Reply #5 on Wed 30 Dec 2015 09:05 PM (UTC) |
Message
| Hi Nick.
At least i learned something.
I've changed the all thing to the $ that you said, at least i don't have too many triggers :).
Thank you. | Top |
|
Posted by
| Nick Gammon
Australia (23,133 posts) Bio
Forum Administrator |
Date
| Reply #6 on Thu 31 Dec 2015 03:43 AM (UTC) |
Message
| The other thing you can do, since you want to match a number (or it won't work) is to make that explicit. Change:
at the start of the regexp to:
Now that won't match on "You release" so the trigger doesn't fire. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
|
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