part.md

title	ntitle	nsub	layout	command	command-groups	numerics	format	examples	supported-by-default	contributors
PART IRC Command	PART	Leaves a channel	command	PART	channels	403 442	PART <channel>{,<channel>} [<reason>]	desc content Parting with no reason C -> PART #irctest S <- :d!d@localhost PART #irctest desc content Parting with a reason C -> part #irctest :I'm joined to too many channels already S <- :alice!a@localhost PART #irctest :I'm joined to too many channels already desc content Parting a channel you're not joined to C -> PART #ircv3 S <- :irc.example.com 442 alice #ircv3 :You're not on that channel desc content Parting two real channels, and a non-existent channel C -> JOIN #alpha S <- :patty!p@localhost JOIN :#alpha S <- :irc.example.com 353 patty = #alpha :@patty S <- :irc.example.com 366 patty #alpha :End of /NAMES list. C -> JOIN #charlie S <- :patty!p@localhost JOIN :#charlie S <- :irc.example.com 353 patty = #charlie :@patty S <- :irc.example.com 366 patty #charlie :End of /NAMES list. C -> part #alpha,#beta,#charlie S <- :patty!p@localhost PART #alpha S <- :irc.example.com 403 patty #beta :No such channel S <- :patty!p@localhost PART #charlie desc content Parting two real channels C -> part #alpha,#charlie S <- :patty!p@localhost PART #alpha S <- :patty!p@localhost PART #charlie desc content Seeing someone else part a channel C -> JOIN #irctoast S <- :dan!d@localhost JOIN :#irctoast S <- :irc.example.com 353 dan = #irctoast :dan @alice S <- :irc.example.com 366 dan #irctoast :End of /NAMES list. S <- :alice!a@localhost PART #irctoast :Heading off!	true	doaks

The PART command indicates that the client wants to leave one or more channels. In response, the server sends one or more PART message to indicate that the request was successful.

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• <channel>: Name of the channel(s) to join, separated by commas.
• <reason>: Optional reason which is shown to the other users in the channel.

A PART message sent from the server indicates that someone has left a channel. In this case, the <prefix> is the user that's left. If a user's PART command is successful, they receive one of these messages. In addition, all other clients in the channel also receive a PART message. For example, if dan and alice are on channel #irctoast, and dan parts, both of them will receive a PART message indicating that dan has left the channel. The examples illustrate this in action.

The channels are processed in order. If the channel exists and the user is joined to it, they are parted from the channel and send an appropriate PART message. If the channel exists and the user isn't joined to it, they are sent an ERR_NOTONCHANNEL reply and the server continues with the next channel. If the channel doesn't exist the user gets sent an ERR_NOSUCHCHANNEL reply and the server continues.

Some servers only use the <reason> after the client's been connected for a certain amount of time, to help prevent spam.