#!/bin/sh
#
# requires pdftotext (from xpdf).
#
# $ ver. 1.1  2008-06-06  Pouya D. Tafti <p.d.tafti@ieee.org> $

TMPDIR=/tmp

FILE1=$1
FILE2=$2

pdftotext -layout $FILE1 $TMPDIR/$$-1.txt~
cat $TMPDIR/$$-1.txt~ | tr "\f" "\n" | grep -v "^[ ]*$" > $TMPDIR/$$-1.txt
pdftotext -layout $FILE2 $TMPDIR/$$-2.txt~
cat $TMPDIR/$$-2.txt~ | tr "\f" "\n" | grep -v "^[ ]*$" > $TMPDIR/$$-2.txt

diff -dw $TMPDIR/$$-1.txt $TMPDIR/$$-2.txt