echo B
if ! -r $1.b goto bad1
echo i
/usr/lang/bdir/bc $1.b $1.i
echo ii
/usr/lang/bdir/ba $1.i $1.x
as - $1.x
rm $1.i $1.x
echo III
ld a.out /usr/lang/bdir/brt1.o -lb /usr/lib/bilib.a /usr/lang/bdir/brt2.o
exit

: bad1
echo file $1.b not found
