#!/bin/sh 

app=0

script="
property plname : \"ZZZ_cmdplayline\"
tell application \"iTunes\"
activate"

case $1 in 
  -append) app=1
           shift
           ;;
  -replay) script="$script\nplay user playlist plname\nreveal user playlist plname\nend tell"
           echo "$script" | /usr/bin/osascript 
           exit
           ;;
esac

if [ $# = 0 ]
then
  echo Tell me the full path name of the files to play
  exit
fi

script="$script
  if not (exists playlist plname) then
    make new user playlist with properties {name:plname}
  end if"

if [ $app = 0 ]
then
  script="$script
  delete every track of user playlist plname"
fi

for a
do
  if [ ! -f "$a" ]
  then
    echo Can not find file: $a
    exit
  fi
  case $a in
    /*) # OK
        ;;
     *) a=$PWD/$a
        ;;
  esac

  script="$script
  add posix file \"$a\" to user playlist plname"
done

if [ $app = 0 ]
then
  script="$script

play user playlist plname
tell current playlist to set song repeat to all"
else
  script="$script
play"
fi

script="$script
reveal user playlist plname
end tell"

echo "$script" | /usr/bin/osascript