xref: /illumos-gate/usr/src/test/util-tests/tests/awk/examples/awk/t.delete3 (revision e6d6c189fa3a95d7aa27bbe0aeacf7c1a6b57c8c)

{ x[$1] = $1
  delete x[$1]
  n = 0
  for (i in x) n++
  if (n != 0)
	print "error", n, "at", NR
}