#!/bin/sh

#[ ! -f checksums ] && for f in *.png; do
#	[ -h "$f" ] && continue
#	[ -f "$f" ] || continue
#	sha1sum "$f"
#done > checksums

cat checksums | while read line; do
	sum=`echo $line | awk '{print $1}'`
	file="`echo $line | cut -d\  -f2-`"
	[ -h "$file" ] && continue
	set -f
	echo "$file..."
	grep "^$sum" checksums  | while read dup; do
		file2="`echo $dup | cut -d\  -f2-`"
		[ "$file" = "$file2" ] && continue
		echo "$file -> $file2"
		rm -f "$file2"
		ln -s "$file" "$file2"
	done
	set +f
done