Resize PNG files to 50x80

resize_png_files.sh

#!/bin/bash

export pad="60"

printf "%-${pad}s" "Counting files:"
echo `ls -1 | wc -l`

#printf "%-${pad}s" "Create copies of .png files"
# for filename in *.png; do  cp "$filename" "${filename}_big.png"; done  && echo "done"
#
# printf "%-${pad}s" "Create copies of .PNG files"
# for filename in *.PNG; do cp "$filename" "${filename}_big.png"; done  && echo "done"

printf "%-${pad}s" "Resize each product image to 50x80"
for filename in *.*
do
  cp "$filename" "${filename}_original"
  convert -filter Lanczos -posterize 6 -quality 100 "$filename" -resize 50x80\> "${filename}"  > /dev/null 2>&1
done && echo "done"

# cleanup
#