Remove duplicate files (use under your own risk). Example: `delrepeat "*.mp3"`

delrepeat

#! /usr/bin/env bash

## Usage: delrepeat STRING_PATTERN
## Example: delrepeat "*.mp3"
## IFS=$' \t\n' # default
SAVEIFS=$IFS
IFS=$'\n'
files=$(find . -iname "$1")
declare -a hashes
removed=0
for file in ${files[@]}; do
  hash_file=$(md5sum $file | cut -d " " -f 1)
  if [[ ${hashes[@]} == *$hash_file* ]]; then
    echo "Removing $file."
    rm $file
    let removed=removed+1
  else
    hashes[${#hashes[@]}]=$hash_file
  fi
done
echo "Removed $removed files."
IFS=$SAVEIFS