AdiIRC

Added in 1.9.0
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/splay -cmpqw [filename | stop | pause | resume | seek | skip] [pos]

Plays the specified sound, which can be a .wav, .mid, or .mp3 file.

Playing mp3 files with large ID3 tags and/or album art, may not work.

Switches

-c - Clears the song queue.
-m - Midi.
-p - Mp3.
-q - Queue song to play after current song.
-w - Wave.

Parameters

[filename | stop | pause | resume | seek | skip] - File to play or operation to perform on current song.
[pos] - Is pos is defined, file will start playing at pos.

Example

; Match on "play a song" then play "mysong.mp3" 
on *:TEXT:play a song:*:splay c:\mysong.mp3