Bulk convert HEIC images to Jpeg

HEIC.sh

#!/bin/bash

# OBJECTIVE
# Bulk convert HEIC images to Jpeg

# DEPENDENCIES
# imagemagick

# USAGE
# 1) Put script in same folder of HEIC files
# 2) Run the script

# Lists HEIC files (case insensitive)
FILES=(`ls -1 | grep -i ".HEIC"`)
echo "Found ${#FILES[@]} HEIC files"

# Make output dir
mkdir -p "HEIC_to_JPG"

# Process all files
for ((INDEX=0 ; INDEX < ${#FILES[@]}; INDEX++)); do
  # Print human readable index
  HUMAN_INDEX=$((${INDEX} + 1))
  printf "Convert $HUMAN_INDEX of ${#FILES[@]}..."
  # Convert the file to output dir
  convert "${FILES[$INDEX]}" "HEIC_to_JPG/$(echo ${FILES[$INDEX]} | cut -f1 -d '.').jpg"
  # Print "OK" if OK
  if [[ "$?" == "0" ]]; then
    echo "OK"
  else
    echo "ERROR on ${FILES[$INDEX]}"
  fi
done
# Print... THE LAST MESSAGE!
echo "Job finished"