ref: c4f1e9166e14cd17667438f6af69460ad1d35ecf
dir: /test/Compare.p/
#!/bin/rc
rfork e
oldawk=trueawk
awk=kwa
for(i in p.*){
echo -n $i:
$oldawk -f $i test.countries test.countries >foo1.$i
$awk -f $i test.countries test.countries >foo2.$i
if(cmp -s foo1.$i foo2.$i)
echo
if not
echo BAD
diff -b foo1.$i foo2.$i | sed 's/^/ /;10q'
}