134 lines
3.7 KiB
Bash
134 lines
3.7 KiB
Bash
#!/bin/bash
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CSI='\033['
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CEND="${CSI}0m"
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CGREEN="${CSI}1;32m"
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##################################
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# Parse script arguments
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##################################
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while [[ $# -gt 0 ]]; do
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arg="$1"
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case $arg in
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--jpg)
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JPG_OPTIMIZATION="y"
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IMG_PATH=$2
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shift
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;;
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--png)
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PNG_OPTIMIZATION="y"
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IMG_PATH=$2
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shift
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;;
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--nowebp)
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JPG_OPTIMIZATION="y"
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PNG_OPTIMIZATION="y"
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WEBP_OPTIMIZATION="n"
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IMG_PATH=$2
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shift
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;;
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--webp)
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WEBP_OPTIMIZATION="y"
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IMG_PATH=$2
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shift
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;;
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--all)
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PNG_OPTIMIZATION="y"
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JPG_OPTIMIZATION="y"
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WEBP_OPTIMIZATION="y"
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IMG_PATH=$2
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shift
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;;
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*) ;;
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esac
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shift
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done
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##################################
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# Welcome
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##################################
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echo ""
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echo "Welcome to optimize.sh image optimization script."
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echo ""
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if [ $# -lt 2 ]; then
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if [ -z "$JPG_OPTIMIZATION" ]; then
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echo ""
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echo "Do you want to optimize all jpg images in $1 ? (y/n)"
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while [[ $JPG_OPTIMIZATION != "y" && $JPG_OPTIMIZATION != "n" ]]; do
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read -p "Select an option [y/n]: " JPG_OPTIMIZATION
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done
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fi
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if [ -z "$PNG_OPTIMIZATION" ]; then
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echo ""
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echo "Do you want to optimize all png images in $1 (it may take a while) ? (y/n)"
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while [[ $PNG_OPTIMIZATION != "y" && $PNG_OPTIMIZATION != "n" ]]; do
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read -p "Select an option [y/n]: " PNG_OPTIMIZATION
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done
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fi
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if [ -z "$WEBP_OPTIMIZATION" ]; then
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echo ""
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echo "Do you want to convert all jpg & png images to WebP in $1 ? (y/n)"
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while [[ $WEBP_OPTIMIZATION != "y" && $WEBP_OPTIMIZATION != "n" ]]; do
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read -p "Select an option [y/n]: " WEBP_OPTIMIZATION
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done
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echo ""
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echo ""
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fi
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fi
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##################################
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# image optimization
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##################################
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# optimize jpg
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if [ $JPG_OPTIMIZATION = "y" ]; then
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echo -ne ' jpg optimization [..]\r'
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cd $IMG_PATH || exit 1
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find . -type f \( -iname "*.jpg" -o -iname "*.jpeg" \) -print0 | xargs -0 jpegoptim --preserve --strip-all -m82
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echo -ne " jpg optimization [${CGREEN}OK${CEND}]\\r"
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echo -ne '\n'
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fi
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if [ $PNG_OPTIMIZATION = "y" ]; then
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# optimize png
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echo -ne ' png optimization [..]\r'
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cd $IMG_PATH || exit 1
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find . -type f -iname '*.png' -print0 | xargs -0 optipng -o7 -strip all
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echo -ne " png optimization [${CGREEN}OK${CEND}]\\r"
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echo -ne '\n'
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fi
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if [ $WEBP_OPTIMIZATION = "y" ]; then
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# convert png to webp
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echo -ne ' png to webp conversion [..]\r'
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cd $IMG_PATH || exit 1
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find . -type f -iname "*.png" -print0 | xargs -0 -I {} \
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bash -c 'webp_version="$0".webp
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if [ ! -f "$webp_version" ]; then
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{ cwebp -z 9 -mt {} -o {}.webp; }
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fi'
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echo -ne " png to webp conversion [${CGREEN}OK${CEND}]\\r"
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echo -ne '\n'
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# convert jpg to webp
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echo -ne ' jpg to webp conversion [..]\r'
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cd $IMG_PATH || exit 1
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find . -type f \( -iname "*.jpg" -o -iname "*.jpeg" \) -print0 | xargs -0 -I {} \
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bash -c 'webp_version="$0".webp
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if [ ! -f "$webp_version" ]; then
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{ cwebp -q 82 -mt {} -o {}.webp; }
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fi'
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echo -ne " jpg to webp conversion [${CGREEN}OK${CEND}]\\r"
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echo -ne '\n'
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fi
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# We're done !
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echo ""
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echo -e " ${CGREEN}Image optimization performed successfully !${CEND}"
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echo ""
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