nmpc - a simple netcat-powered MPD client

Barrucadu · 2009-08-18 19:06:01

Help text:

nmpc - a simple netcat-powered MPD client.

Usage: nmpc <command> [<arg1> ... <argn>]

MPD Commands:
  These are just sent on to MPD as-is.

     Playback Commands
         next
         previous
         play
         pause
         stop
         crossfade
         setvol <int vol>

     Track Commands
         find <string type> <string what>
         list <metadata arg1> [<metadata arg2> <search term>]

     Playlist Commands
         clear
         shuffle
         add <string>
         delete <int song>
         save <string playlist name>
         rm <string playlist name>

     Database Commands
         update

NMPC Commands:
  These are more advanced commands handled by nmpc
     toggle              - toggle the play/pause state
     raw                 - send $2 as a command to MPD
     info                - information about MPD.
     playing             - information about the current playlist.
     playlist <playlist> - clear the playlist and load the specified playlist.
     playlists           - list the playlists.

Source code:

#!/bin/zsh
 
MPDSERVER="localhost"
MPDPORT="6600"
 
alias -g clean='sed "/^OK.*$/d"'
 
function help()
{
    echo "nmpc - a simple netcat-powered MPD client."
    echo
    echo "Usage: nmpc <command> [<arg1> ... <argn>]"
    echo
    echo "MPD Commands:"
    echo "  These are just sent on to MPD as-is."
    echo
    echo "     Playback Commands"
    echo "         clear"
    echo "         next"
    echo "         previous"
    echo "         play"
    echo "         pause"
    echo "         stop"
    echo "         shuffle"
    echo "         crossfade"
    echo "         setvol <int vol>"
    echo
    echo "     Track Commands"
    echo "         find <string type> <string what>"
    echo "         list <metadata arg1> [<metadata arg2> <search term>]"
    echo
    echo "     Playlist Commands"
    echo "         add <string>"
    echo "         delete <int song>"
    echo "         save <string playlist name>"
    echo "         rm <string playlist name>"
    echo
    echo "     Database Commands"
    echo "         update"
    echo
    echo "NMPC Commands:"
    echo "  These are more advanced commands handled by nmpc"
    echo "     toggle              - toggle the play/pause state"
    echo "     raw                 - send \$2 as a command to MPD"
    echo "     info                - information about MPD."
    echo "     playing             - information about the current playlist."
    echo "     playlist <playlist> - clear the playlist and load the specified playlist."
    echo "     playlists           - list the playlists."
}
 
function line()
{
    echo "$1" | grep -i "$2: " | sed "s/$2: //i"
}
 
function rawcmd()
{
    echo "$1\nclose" | netcat $MPDSERVER $MPDPORT
}
 
function mpdfunc()
{
    arglist=$1
 
    [ "$2" != "" ] &&                   arglist="$arglist $2"
    [ "$3" != "" ] && [ "$4" = "" ]  && arglist="$arglist \"$3\""
    [ "$3" != "" ] && [ "$4" != "" ] && arglist="$arglist $3 \"$4\""
 
    [ "$1" = "add" ] || [ "$1" = "save" ] || [ "$1" = "rm" ] && arglist="$1 \"$2\""
 
    rawcmd "$arglist" | clean
}
 
function nmpcfunc()
{
    case $1 in
        "toggle")
            if mpdfunc status | grep -q "state: play"; then
                rawcmd pause
            else
                rawcmd play
            fi;;
        "raw")
            rawcmd "$2";;
        "info")
            info=`rawcmd stats | clean`
 
            playtime=`line $info db_playtime`
            artists=`line $info artists`
            albums=`line $info albums`
            songs=`line $info songs`
 
            runtime=`printf "%02d:%02d:%02d\n" $[$playtime / 3600 ] $[$playtime / 60 % 60] $[$playtime % 60]`
            echo "$artists artists, $albums albums, $songs songs, $runtime play time.";;
        "playing")
            info=`rawcmd status | clean`
            sinfo=`rawcmd currentsong | clean`
 
            track=`line $sinfo title`
            artist=`line $sinfo artist`
            album=`line $sinfo album`
            state=`line $info state`
 
            volume=`line $info volume`
            repeat="on";    [ "`line $info repeat`" = "0" ] && repeat="off"
            random="on";    [ "`line $info random`" = "0" ] && random="off"
            crossfade="on"; [ "`line $info xfade`"  = "0" ] && crossfade="off"
            
            echo "$track, by $artist in $album [$state]"
            echo "$volume% volume, repeat $repeat, random $random, crossfade $crossfade";;
        "playlist")
            rawcmd clear | clean
            rawcmd "playlist \"$2\"" | clean;;
        "playlists")
            info=`rawcmd lsinfo | clean`
            echo $info | grep "playlist: " | sed "s/playlist: //";;
        esac
}
 
function error()
{
    echo "Unknown command: $*"
}
 
case $1 in
    "-h" | "--help")
        help;;
 
    "clear" | "next" | "previous" | "play" | "pause" | "stop" | "update" | "find" | "list" | "add" | "delete" | "save" | "rm" | "shuffle" | "crossfade" | "setvol")
        mpdfunc $*;;
 
    "toggle" | "raw" | "info" | "playing" | "playlist" | "playlists")
        nmpcfunc $*;;
 
    "")
        nmpcfunc playing;;
 
    *)
        error $*;;
esac

Latest source: http://github.com/Barrucadu/home/blob/master/bin/nmpc

Enjoy

I now use it exclusively instead of mpc (fun projects arise when bored).

Last edited by Barrucadu (2009-08-18 19:08:36)

Falstaff · 2016-03-26 19:17:46

I've managed to figure out who to use netcat by looking at your script. Good work!

Last edited by Falstaff (2016-03-26 19:18:02)

Rasi · 2016-03-26 23:41:33

Havent't tried it yet, but looking at the code it seems that it's not possible to use mpd servers with passwords set?

Arch Linux

#1 2009-08-18 19:06:01

nmpc - a simple netcat-powered MPD client

#2 2016-03-26 19:17:46

Re: nmpc - a simple netcat-powered MPD client

#3 2016-03-26 23:41:33

Re: nmpc - a simple netcat-powered MPD client

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