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mpd.md

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MPD event monitor
mpc idle
mpc idleloop
Output:

  • database - the song database has been modified after update.
  • update - a database update has started or finished. If the database was modified during the update, the database event is also emitted.
  • stored_playlist - a stored playlist has been modified, renamed, created or deleted
  • playlist - the current playlist has been modified
  • player - the player has been started, stopped or seeked
  • mixer - the volume has been changed
  • output - an audio output has been added, removed or modified (e.g. renamed, enabled or disabled)
  • options - options like repeat, random, crossfade, replay gain
  • partition - a partition was added, removed or changed
  • sticker - the sticker database has been modified.
  • subscription - a client has subscribed or unsubscribed to a channel
  • message - a message was received on a channel this client is subscribed to; this event is only emitted when the queue is empty
# monitor with broadcast "event" to "idle" pushstream channel
curl -s -X POST "http://localhost/pub?id=idle" -d \"$( mpc idleloop )\" &

BASH - MPD protocol command

{ sleep 0.01; echo <command1>;[ echo <command2>;] sleep 0.01; } | telnet localhost 6600

# directory with spaces must be double quoted + echo must be single quoted
{ sleep 0.01; echo 'list title base "path name/directory name"'; sleep 0.1; } | telnet localhost 6600

list [type] [filter] [argument]

MPD protocol command

# connect
telnet localhost 6600

list title base USB/hdd/Music/A

BASH mpc command

mpc list title base USB/hdd/Music/A

count=$( mpc list title base USB/hdd/Music/A | grep -c '^Title:' )
# list  - get
# title - all songs (  )
# base  - in directory
# <arg> - directory relative to MPD 'music_directory'
#
# type   : artist, album, title, track, name, genre, date, composer, performer, comment, disc, filename, or any
# filter : TAG, file, base, modifid-since, AudioFormat

BASH echo

{ sleep 0.01; echo list title base USB/hdd/Music/A; sleep 0.01; } | telnet localhost 6600

count=$( { sleep 0.01; echo list title base USB/hdd/Music/A; sleep 0.01; } | telnet localhost 6600 | grep -c '^Title:' )