#!/usr/bin/env bash
# Purpose: batch image resizer

# absolute path to image folder
FOLDER="$PWD"

# max height
WIDTH=${1:-"999999"}

# max width
HEIGHT=${2:-"999999"}

echo "Width: $WIDTH";
echo "Height: $HEIGHT";

#resize png or jpg to either height or width, keeps proportions using imagemagick
#find ${PWD} -iname '*.jpg' -o -iname '*.png' -exec echo convert \{} -verbose -resize $WIDTHx$HEIGHT\> \{}.new.jpg \;
find ${PWD} \( -iname "*.jpg" -o -iname "*.png" \) -exec convert {} -verbose -resize "$WIDTH"x"$HEIGHT" \{}.new \;

#resize png to either height or width, keeps proportions using imagemagick
#find ${FOLDER} -iname '*.png' -exec convert \{} -verbose -resize $WIDTHx$HEIGHT\> \{} \;

#resize jpg only to either height or width, keeps proportions using imagemagick
#find ${FOLDER} -iname '*.jpg' -exec convert \{} -verbose -resize $WIDTHx$HEIGHT\> \{} \;

# alternative
#mogrify -path ${FOLDER} -resize ${WIDTH}x${HEIGHT}% *.png -verbose