Resize and sort images for two digital picture frames: landscape and portrait

resize

#!/bin/bash

process() { 	
	OUTPUT_DIR="/Users/jason/Desktop/output"
	mkdir -p $OUTPUT_DIR
	
	# Image magick doesn't give me the chance to check exif *before* conversion
	# so auto-orient into temp and then move to appropriate directory
	TEMP="$OUTPUT_DIR/temp.png" 
	# the \> will prevent upsample	
	convert "$1" -resize 1080x1080\> -auto-orient $TEMP

	# move to correct dir
	# do not put output directory inside same directory as images 
	# or you'll infiinite loop over newly generated images
	
	LANDSCAPE="landscape"
	PORTRAIT="portrat"


	mkdir -p $OUTPUT_DIR/$LANDSCAPE
	mkdir -p $OUTPUT_DIR/$PORTRAIT

	BASE_NAME=$(basename "$1")
	NEW_NAME=$(echo "$BASE_NAME" | cut -f 1 -d '.')
	
	HEIGHT=$(identify -format "%h" "$TEMP")
	WIDTH=$(identify -format "%w" "$TEMP")
	if [[ $HEIGHT -gt $WIDTH ]] # also put square images in landscape dir
	then
		FULL_PATH="$OUTPUT_DIR"/"$PORTRAIT"/"$NEW_NAME".png	
	else
		FULL_PATH="$OUTPUT_DIR"/"$LANDSCAPE"/"$NEW_NAME".png	
	fi	

	if [ -e $FULL_PATH ]
	then
    	echo "File already exists with this name. Not copying $1"
    	exit
	fi	
	mv $TEMP $FULL_PATH
}
export -f process


echo "Resizing images from $1"

if ! command -v convert &> /dev/null
then
    echo "convert cannot be found, did you install Imagemagick?"
    exit
fi

find "$1" -iname '*.jpg' -exec bash -c 'process "$@"' bash {} \;
find "$1" -iname '*.jpeg' -exec bash -c 'process "$@"' bash {} \;
find "$1" -iname '*.png' -exec bash -c 'process "$@"' bash {} \;

echo "Done."