shithub: kwa

ref: 11e0cd792213373300d37a6a7ad3157f28416299
dir: /test/t.incr2/

{ s = 0
  for (i=1; i <= NF; )
	if ($(i) ~ /^[0-9]+$/)
		s += $(i++)
	else
		i++
  print s
}