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Script for JPEG images optimization
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| #! /bin/sh | |
| # Usage 1: | |
| # optimize-images.sh /images/dir | |
| # | |
| # Usage 2: | |
| # cd /images/dir | |
| # optimize-images.sh | |
| EXTENSIONS="jpe?g" | |
| if [ -z "$1" ]; then | |
| DIR="`pwd`" | |
| else | |
| DIR="$1" | |
| fi | |
| # Optimize JPEG images | |
| find "$DIR" -regextype posix-egrep -regex ".*\.($EXTENSIONS)\$" -type f | xargs -I{} jpegtran -optimize -progressive -outfile "{}.optimized" "{}" | |
| # Rename xxx.jpg.optimized -> xxx.jpg | |
| find "$DIR" -name '*.optimized' -print0 | while read -d $'\0' file; do | |
| chown $(stat -c "%U:%G" "${file%.optimized}") "$file" | |
| chmod $(stat -c "%a" "${file%.optimized}") "$file" | |
| mv -f "$file" "${file%.optimized}"; | |
| done |
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