Compress every images recursively with options to say quality & root path. Require jpegoptim & optipng

images_comrpess.sh

#!/bin/bash
usage()
{
  echo "Usage: sh images_compress.sh -d /directory -q 60"
  exit
}
while [ "$1" != "" ]; do
case $1 in
        -d )           shift
                       DIRECTORY=$1
                       ;;
        -q )           shift
                       QUALITY=$1
                       ;;
        
        * )            QUERY=$1
    esac
    shift
done
TAILLE=$(du -hs $DIRECTORY)
wait
echo "Avant : "$TAILLE
sh ./webp_compress.sh $DIRECTORY $QUALITY
sh ./jpg_compress.sh $DIRECTORY $QUALITY &
sh ./png_compress.sh $DIRECTORY $QUALITY &
wait

echo "fini !"
echo "Avant : "$TAILLE
echo "Apres : " && du -hs $DIRECTORY

jpg_compress.sh

#!/bin/bash

for f in `find $1 -name "*.jpg"`
do
#    mogrify $f -resize $2%
     jpegoptim --all-progressive -q -m$2 $f
sleep 4
done

png_compress.sh

#!/bin/bash

for f in $(find $1 -name "*.png")
do
#    mogrify $f -resize $2%
    optipng -quiet $f
sleep 5
done

webp_compress.sh

#!/bin/bash

for f in $(find $1 -name "*.png")
do
  cwebp -quiet -q $2 -m 6 $f -o $f.webp
  sleep 5
done

for f in $(find $1 -name "*.jpg")
do
  cwebp -quiet -q $2 -m 6 $f -o $f.webp
  sleep 5
done