Bash Script to Convert and Rename images in a directory !

convert_and_rename_image.bash

# Check if a path is given
if [[ -z $1 ]]; then
	line="Provide a path !!!!"
	echo -e "\e[01;31m$line\e[0m" >&2 # Print in Red to Stderr
	exit # Stop file execution
fi


# Check if the given path is a Directory
ERR=$(cd $1 2>&1)
[ $? -eq 1 ] && echo -e "\e[01;31mProvide and path to a Directory !!!!\e[0m" && exit


# cd into the provided directory
cd $1

# Prompt to continue
read -r -p "Are you sure rename all files in $(pwd) ? [y/N] " CHECK

# Check if the user wants to continue
if [[ $CHECK = "y" || $CHECK = "Y" ]]; then

	# Get the number of files in the directory
	FILE_COUNT=`ls -1 | wc -l`

	# split ls into an array by newline
	IFS=$'\n'
	set -o noglob
	FILES_IN_DIR=($(ls -1))

	# Iterate through a sequence from 0 to the total FILE_COUNT
	for CURRENT_COUNT in `seq -w 0 $FILE_COUNT`; do
		CURRENT_FILE=${FILES_IN_DIR[10#${CURRENT_COUNT}]}
		
		# if the CURRENT_FILE is a .png 
		if [[ "$CURRENT_FILE" == *".png"* ]]; then

			# Convert it to a .jpg using ImageMagik
			convert $CURRENT_FILE $CURRENT_COUNT.jpg

			# Remove the .png
			rm $CURRENT_FILE

			continue
		fi

		# if the CURRENT_FILE is a .jpg 
		if [[ "$CURRENT_FILE" == *".jpg"* ]]; then
			# Rename the file
			mv $CURRENT_FILE $CURRENT_COUNT.jpg

			continue
		fi
	done

fi