I made this for you, I hope it helps. Remember that this relies complete on the IRCd sending you the information and conforming to RFC.
raw 2:*:{ set -e $+(%, ircdv., $cid) $8 }
alias ircdv {
return $eval($+(%, ircdv., $cid), 2)
}
It's pretty simple. The RAW will get the version from the initial notice when you join the network and store it against the connection identifier. When you use $ircdv it will return the value on the server you're on like any other script.
Usage:
on *:TEXT:!checkircdv:?:{
if (ircd-ratbox-3.* iswm $ircdv) { .notice $nick Woah! This is RATBOX3!!! }
}
.. or as an alias
alias checkircdv {
if (UnrealIRCd-* iswm $ircdv) { echo -a .. We have UnrealIRCd! Uhoh. }
}
Good luck!