#!/bin/bash
#                       /usr/local/bin/largest_images
#  http://crystalfaeries.net/posix/bin/largest_images
# celeste:crystalfaery 2016-08-04 18:41:49+00:00
# Review images by decreasing file size but display whole containing folders

# continue with existing non-zero, or create new list of images (see /usr/local/bin/find_images)
if [ -s ~/.imgs.txt ]
then
	touch ~/.imgs.txt	# kilroy was here
else
	echo finding_images... >&2
	find / \( \( -path /media/ -prune \) -o \( -path $HOME/tails/ -prune \) -o \( -path /var/cache/rsnapshot/ -prune \) -o \( -path /home/rsnapshot/ -prune \) -o \( -iname '*.gif' -exec du {} \; \) -o \( -iname '*.jpeg' -exec du {} \; \) -o \( -iname '*.jpg' -exec du {} \; \) -o \( -iname '*.png' -exec du {} \; \) -o \( -iname '*.pnm' -exec du {} \; \) -o \( -iname '*.svg' -exec du {} \; \) \) 2> /dev/null  | sort -rn | cut -f2- | grep -v /home/`whoami`/.local/share/Trash > ~/.imgs.txt	# the size sorted list of image files
fi

# review listed image directories
while [ -s ~/.imgs.txt ]
do
	d=$(dirname $(head -n 1 ~/.imgs.txt))
	grep -v	"$d"		~/.imgs.txt >	/tmp/$$.imgs.txt
	mv					/tmp/$$.imgs.txt \
				~/.imgs.txt
	if [ -d "$d" ]
	then
		echo "viewing:	$d" >&2		# log  the directory
		gwenview       "$d"		# view the directory
		echo "viewed :  $d" >&2		# log  the directory
	fi
done