Find all image files with a resolution wider then a given width.

findlargefiles

#!/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