ref: 2bab10b60b3f4d3bbefdcb60410655f317d1a452 dir: /testdir/t.split8/
{ n = split ($0, x, /[ ]+/) print n if (n != NF) print "split botch at ", NR, n, NF for (i=1; i<=n; i++) if ($i != x[i]) print "different element at ", i, x[i], $i }