xref: /aosp_15_r20/external/one-true-awk/testdir/t.delete3 (revision 9a7741de182b2776d7b30d6355f2585c0780a51b)

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