openbsd-ports/devel/autoconf/files/cdiff

#!/bin/sh

a=`mktemp /tmp/$1.XXXXXXXXXX`
b=`mktemp /tmp/$2.XXXXXXXXXX`
trap 'rm $a $b; exit 0' 0 1 2 3 13 15
sed -e 's,configure:[0-9]*:,configure:####:,' 	\
	-e 's,^#line [0-9]*,#line ####,'	\
	-e 's,$as_me:[0-9]*:,$as_me::,'		\
	<$1 >$a
sed -e 's,configure:[0-9]*:,configure:####:,' 	\
	-e 's,^#line [0-9]*,#line ####,'	\
	-e 's,$as_me:[0-9]*:,$as_me::,'		\
	<$2 >$b
diff -u $a $b|sed -e s,$a,$1, -e s,$b,$2,