rev.awk - plan9port - fork of plan9port with libvec, libstr and libsdb

	plan9port fork of plan9port with libvec, libstr and libsdb
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rev.awk (74B)

      1 NF == 2	{
      2 		printf "%s\t%s\n", $2, $1
      3 	}
      4 NF != 2 {
      5 		print "ERROR " $0
      6 	}