dup-movie-finder

#!/bin/bash
#
# Copyright 2016 Jeremy Hansen <jebrhansen -at- gmail.com>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# This script will list all movies that have the same title within a directory.
# It does assume that the year is directly after the title and the year is
# enclosed by parenthesis (e.g. Movie Title (2000) extra stuff). It should work
# on a directory filled with other directories containing the movie title or on
# a directory filled with movies files themselves (although, the latter hasn't 
# been tested). When complete, it will print out the movies that have the same 
# name, so you can manually go through and decide whether to keep them. Right
# now, it only looks at movies titles, so if you have movies that have the same
# name, but were made in different years (Oceans 11 -- 1960 and 2001), they
# will both be displayed. I may add a year checker later on.

# Set your movie directory... can be overriden when starting the script.
# (e.g. MOVDIR=/custom/location dup-movie-finder)
MOVDIR=${MOVDIR:-/location/to/movies}

echo -e "\nChecking in ======  $MOVDIR  ====== directory\n"

# Clear the SECOND variable, just to prevent any passed variables breaking stuff
SECOND=''

for FIRST in "$MOVDIR/"*; do
  MOVNAME=$(echo "$FIRST" | awk -F'(' '{print $1}')
  MOVYEAR=$(echo "$FIRST" | cut -d "(" -f2 | cut -d ")" -f1)
  if [[ $MOVNAME == $(echo "$SECOND" | awk -F'(' '{print $1}') && $MOVYEAR == $(echo "$SECOND" | cut -d "(" -f2 | cut -d ")" -f1) ]]; then
    echo "$FIRST"
    echo "$SECOND"
  fi
  SECOND="$FIRST"
done