#!/bin/bash
#
# script to play mp3's in a random order
# April 2004. Pete Nesbitt
#    updated Dec 2006 (find player)
#

PROG="mp3_player.sh"

###############
# player and string
get_player() {
 # if realplayer is available, use it:
 which realplay &> /dev/null
 RET_RPLAY=$?
 if [ $RET_RPLAY -eq 0 ];then
    # realplayer
    PLAY_TYPE="real"
    PLAYER="realplay -q"
 else
    which mplayer &> /dev/null
    RET_MPLAYER=$?
    if [ $RET_MPLAYER -eq 0 ];then
       # mplayer
       PLAY_TYPE="mplay"
       PLAYER="mplayer -playlist"
    else
       echo
       echo "$PROG FAILED"
       echo " could not find either mplayer or realplay"
       exit 1
    fi
 fi
}

###############
clear

rm -f /tmp/playlist.tmp /tmp/playlist.clean /tmp/playlist.random /tmp/play.txt /tmp/playlist.txt &> /dev/null
touch /tmp/playlist.tmp /tmp/playlist.clean /tmp/playlist.random /tmp/play.txt /tmp/playlist.txt

PLAYLIST="/tmp/playlist.tmp"
CLEANLIST="/tmp/playlist.clean"
RAN_LIST="/tmp/playlist.random"
PLAY="/tmp/play.txt"
FINAL_LIST="/tmp/playlist.txt"

# use dir as arg else use current
if [ "$#" -eq "0" ] ; then
   # use current dir
   echo "`ls -1`" > $PLAYLIST ;
 else
   for i in $1 $2 $3
   do
    echo "`ls -1 $i`" >> $PLAY
     while read SHORTNAME
      do
       LONG_NAME=${i}${SHORTNAME}
       echo $LONG_NAME >> $PLAYLIST 
      done < $PLAY
   done
fi
grep -v ^$0 $PLAYLIST >> $CLEANLIST

#get dir listing and randomize contents
while read SONG
do
 # validate all file names & check type
 if [ -n "`file $SONG|cut -d: -f2|egrep -i 'mp3|mpeg'`" ] ; then
 # if mp3, add to list
 echo "${RANDOM}.${SONG}" >> $RAN_LIST
 fi
done < $CLEANLIST
 sort -n $RAN_LIST |cut -d. -f2,3,4,5 >> $FINAL_LIST


#### PLAYERS ################
get_player

if [ "$PLAY_TYPE" = "real" ];then
   # for RealPlayer (plays one song only):
   echo
   echo " Playing:"
   while read EACH_SONG;
    do
     echo "   `echo $EACH_SONG|sed -e s/.mp3$//|sed -e s/-/:__/g|sed -e s/_/\ /g`"
     $PLAYER $EACH_SONG
    done < $FINAL_LIST

else
    # for mplayer (reads a list)
     $PLAYER $FINAL_LIST
fi

exit
# eof