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Find all image files with a resolution wider then a given width.
#!/bin/sh
# findlargefiles - Find all image files with a resolution wider then a given width.
# Supports Joomla versions 1.0 - 3.3
#
# Copyright 2014 Rene Kreijveld - email@renekreijveld.nl
#
# This program is free software; you may redistribute it and/or modify it.
# Define general variables
JOOMLACONF=./configuration.php
STARTPATH=./images
MINWIDTH=640
MINHEIGHT=640
# Check if configuration.php exists.
if [ ! -e ${JOOMLACONF} ]
then
echo "File configuration.php not found. Are you at the root of the site?"
exit 1
fi
cd ${STARTPATH}
# Find all image files
find . -print0 -type f | while read -d $'\0' file
do
# Ff file is a jpg/gif/png then proceed
if echo "$file" | egrep -q ".jpg|.jpeg|.gif|.png"; then
id=`identify "$file"`
# Get image width and height
if echo "$id" | egrep -q "JPEG"; then
width=`echo $id | sed 's/JPEG/#/g' | cut -d "#" -f 2 | cut -d " " -f 2 | cut -d x -f 1`
height=`echo $id | sed 's/JPEG/#/g' | cut -d "#" -f 2 | cut -d " " -f 2 | cut -d x -f 2`
fi
if echo "$id" | egrep -q "PNG"; then
width=`echo $id | sed 's/PNG/#/g' | cut -d "#" -f 2 | cut -d " " -f 2 | cut -d x -f 1`
height=`echo $id | sed 's/PNG/#/g' | cut -d "#" -f 2 | cut -d " " -f 2 | cut -d x -f 2`
fi
if echo "$id" | egrep -q "GIF"; then
width=`echo $id | sed 's/GIF/#/g' | cut -d "#" -f 2 | cut -d " " -f 2 | cut -d x -f 1`
height=`echo $id | sed 's/GIF/#/g' | cut -d "#" -f 2 | cut -d " " -f 2 | cut -d x -f 2`
fi
# Test if width larget then given width
if [ $width -gt ${MINWIDTH} ]; then
echo $file: width $width, larger than ${MINWIDTH}
fi
#if [ $height -gt ${MINHEIGHT} ]; then
# echo $file: height $height, larger than ${MINHEIGHT}
#fi
fi
done
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