#!/bin/bash
#
# Check for playlist files.
#

# Parameters
BASENAME="`basename $0`"
PLAYLIST="$1"
MEDIA="/var/cache/media/noise"
PLAYLISTS="$MEDIA/playlists"

# Basic syntax
if [ -z "$PLAYLIST" ]; then
  echo "Usage: $BASENAME <playlist>"

  if [ -d "$PLAYLISTS" ]; then
    echo ""
    echo "Available playlists: "
    ls $PLAYLISTS
  fi

  exit 1
elif [ ! -f "$PLAYLISTS/$PLAYLIST.m3u" ]; then
  echo "No such playlist $PLAYLISTS/$PLAYLIST.m3u"
  exit 1
fi

# Prepare
cd $MEDIA

# Process
cat $PLAYLISTS/$PLAYLIST.m3u | while read file; do
  if [ ! -e "$file" ]; then
    echo "missing file: $file"
  fi
done