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image optimization script (pngcrush & jpegtran)
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#!/bin/sh | |
# script for optimizing images in a directory (recursive) | |
# pngcrush & jpegtran settings from: | |
# http://developer.yahoo.com/performance/rules.html#opt_images | |
# pngcrush | |
for png in `find $1 -iname "*.png"`; do | |
echo "crushing $png ..." | |
pngcrush -rem alla -reduce -brute "$png" temp.png | |
# preserve original on error | |
if [ $? = 0 ]; then | |
mv -f temp.png $png | |
else | |
rm temp.png | |
fi | |
done | |
# jpegtran | |
for jpg in `find $1 -iname "*.jpg"`; do | |
echo "crushing $jpg ..." | |
jpegtran -copy none -optimize -perfect "$jpg" > temp.jpg | |
# preserve original on error | |
if [ $? = 0 ]; then | |
mv -f temp.jpg $jpg | |
else | |
rm temp.jpg | |
fi | |
done |
nice one! thanks!
Excellent. thank you!
How can we use these functions for our website, that is hosted on Linux with PHP coding using my Sql.
Add this to the top to make it work with files that have spaces in them.
IFS=$'\n'
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Muchas gracias! Vamos a probar!!