if [ $# -ne 2 ];then
  echo "Usage: rename_episode.sh [source directory] [destination directory]"
  exit
fi
src=$1
dest=$2

echo "Schemes should be a regex of the form (?<=TEXT)\\d\\d(?=TEXT) where TEXT is uniquely identifying text"
read -p "Season Scheme? " sscheme
read -p "Episode Scheme? " escheme
read -p "Series Name? " name
read -p "Season Override? " so
read -p "Episode Offset? " eo
read -p "Dry Run (y/n)? " dry

mkdir "$dest/$name"
for file in "$src"/*; do
  if [[ -z $so ]];then
    s=`echo "$file" | grep -o -P "$sscheme"`
  else
    s=$so
  fi
  e=`echo "$file" | grep -o -P "$escheme"`
  if [[ ! -z $eo ]];then
    e=$((e+eo))
  fi
  ext="${file##*.}"
  echo "ln '$file' '$dest/$name/$name.S$s.E$e.$ext'"
  if [ "$dry" != "y" ];then
    ln "$file" "$dest/$name/$name.S$s.E$e.$ext"
  fi
done