Added in 1.5

/cycle [N] [msg]

Will part all active channels on current server and show a message if defined then delay N milliseconds and rejoin them.

Parameters

[N] - Numbers of milliseconds to delay before rejoining.
[msg] - Part message to send.

Example

;Part all channels with part message 'Be right back in 2 seconds' and rejoin after 2 seconds. (2000 milliseconds)
/cycle 2000 Be right back in 2 seconds.

;Part/Join all channels at once with no delay.
/cycle