06-13-2011
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Initially, most IRC servers formed a single IRC network, to which new servers could join without restriction, but this was soon abused by people who set up servers to sabotage other users, channels, or servers. In August 1990, the server eris.berkeley.edu remained the only one to allow anyone to connect to the servers.[2]
A group of IRC server operators, with the support of Jarkko Oikarinen, introduced a new "Q-line" into their server configurations, to "quarantine" themselves away from eris by disconnecting from any subset of the IRC network as soon as they saw eris there.[3][4]
For a few days, the entire IRC network suffered frequent netsplits, but eventually the majority of servers added the Q-line and effectively created a new separate IRC net called EFnet (Eris-Free Network); the remaining servers who stayed connected to eris (and thus were no longer able to connect to EFnet servers) were called A-net (Anarchy Network). A-net soon vanished, leaving EFnet as the only IRC network.
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irc(n) Low Level Tcl IRC Interface irc(n)
NAME
irc - Create IRC connection and interface.
SYNOPSIS
package require Tcl
package require irc ?0.2?
::irc::connection hostname
::irc::config key value
net registerevent event script
net connect
net user username localhostname userinfo
net nick nick
net ping
net join channel
net part channel
net privmsg target message
net send text
who ?address?
action
target ?index?
msg
DESCRIPTION
This package provides low-level commands to deal with the IRC protocol (Internet Relay Chat) for immediate and interactive multi-cast com-
munication.
::irc::connection hostname
The command creates a new object to deal with an IRC connection. Creating this IRC object does not automatically create the network
connection. It returns a new irc namespace command which can be used to interact with the new IRC connection.
::irc::config key value
Sets configuration key to value. Currently, the only config key defined is the boolean flag debug which, when turned on, makes irc
print more information about what is going on.
Per-connection Commands
In the following list of available connection methods net represents a connection command as returned by ::irc::connection.
net registerevent event script
Registers a callback handler for the specific event. Events available are those described in the IRC RFC: 1459. In addition, there
are several other events defined. defaultcommand adds a command that is called if no other callback is present. EOF is called if
the connection signals an End of File condition. script is executed in the connection namespace, which can take advantage of sev-
eral commands (see Callback Commands below) to aid in the parsing of data.
net connect
This causes the socket to be established. ::irc::connection created the namespace and the commands to be used, but did not actually
open the socket. This is done here.
net user username localhostname userinfo
Sends USER command to server. username is the username you want to appear. localhostname is the name of your server, and userinfo
is a short description of who you are.
net nick nick
NICK command. nick is the nickname you wish to use for the particular connection.
net ping
PING the IRC server.
net join channel
channel is the IRC channel to join. IRC channels typically begin with a hashmark ("#").
net part channel
Makes the client leave channel.
net privmsg target message
Sends message to target, which can be either a channel, or another user, in which case their nick is used.
net send text
Sends text to the IRC server.
Callback Commands
These commands can be used within callbacks
who ?address?
Returns the nick of the user who performed a command. The optional address keyword causes the command to return the user in the
format "username@address".
action Returns the action perfomed, such as KICK, PRIVMSG, MODE, etc... Normally not useful, as callbacks are bound to a particular event.
target ?index?
Returns the target of a particular command, such as the channel or user to whom a PRIVMSG is sent. In the case of multiple targets,
the optional index argument may be used to specify which one to return. The default is 0.
msg Returns the message portion of the command (the part after the :).
SEE ALSO
rfc 1459
KEYWORDS
irc, chat
irc 0.2 irc(n)