#!/bin/bash
CFILE=$1.tmp-$$-jpeg-comments
TMPFILE=$1.tmp-$$-jpeg
rdjpgcom $1 > $CFILE
INITIAL=`md5sum $CFILE`
if xedit $CFILE; then
	MODIFIED=`md5sum $CFILE`
	if [ "$INITIAL" != "$MODIFIED" ]; then
		mv $1 $TMPFILE
		wrjpgcom -replace -cfile $CFILE $TMPFILE > $1
		rm $TMPFILE
	fi
	rm -f $CFILE $CFILE~
fi