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#! /bin/sh
inputdir=$HOME/noise/streams
case "$1" in
  (--help)
    echo "play an audio stream" ;;
  (*)
    exec 2>&1
    ffs='xml'
    
    if test -z "$*" ; then
      echo -e "\x1B[32m/stream off \x1B[33m- turn stream off\x1B[m"
      for i in `ls $inputdir` ; do
	filename="$inputdir/$i"
	shortcut=`xmlstarlet sel -t -v /station/@shortcut "$inputdir/$i"`
	title=`xmlstarlet sel -t -v /station/@title "$inputdir/$i"`
	topic=`xmlstarlet sel -t -v /station/@topic "$inputdir/$i"`
	stream=`xmlstarlet sel -t -v /station/@stream "$inputdir/$i"`
	echo -e "\x1B[32m/stream $shortcut \x1B[33m- $title \x1B[35m$topic\x1B[m"
      done
    else if [ "$1" = "off" ]; then
          [ ! -d /tmp/noise ] || ( echo "no directory /tmp/noise; aborting" ; exit 1 )
          [ -f /tmp/noise/stream.pid ] && ( kill ` cat /tmp/noise/stream.pid ` )
          [ -e /tmp/noise/stream.pid ] && rm /tmp/noise/stream.pid || ( echo "can't remove /tmp/noise/stream.pid; aborting" ; exit 1 )
    else 
      for i in `ls $inputdir` ; do
        filename="$inputdir/$i"
        shortcut=`xmlstarlet sel -t -v /station/@shortcut "$inputdir/$i"`
        stream=`xmlstarlet sel -t -v /station/@stream "$inputdir/$i"`
        if [ "$shortcut" == "$1" ]; then
          [ ! -d /tmp/noise ] || ( umask 077 ; mkdir /tmp/noise ) || ( echo "can't create /tmp/noise; aborting" ; exit 1 )
          [ -f /tmp/noise/stream.pid ] && ( kill ` cat /tmp/noise/stream.pid ` )
          [ -e /tmp/noise/stream.pid ] && rm /tmp/noise/stream.pid || ( echo "can't remove /tmp/noise/stream.pid; aborting" ; exit 1 )
          mplayer -cache 2048 -quiet "$stream" &
          ( umask 077 ; echo $! > /tmp/noise/stream.pid )
          break 
        fi
      done || cat<<EOF
\
Keine Audiostreambeschreibung mit dem Namen

  $1.EXT

gefunden... am besten gleich anlegen:

  ssh shack@shack.shack:noise/streams/

folgende Dateiendungen werden erkannt: $ffs
EOF
    fi fi
esac