makoto@iBook366 ■9:06:39/011018(...home/makoto)> mknmz -f /home/makoto/.mknmzrc-Mail -O /automount/u/namazu/Mail-1014 --mtime -1250 Mail
....

7357/7358 - /export/home/makoto/Mail/uucp-host/33 [message/rfc822]
7358/7358 - /export/home/makoto/Mail/uucp-host/34 [message/rfc822]
Use of uninitialized value in length at /usr/pkg/bin/mknmz line 2348, <GEN169641> line 353754.
Use of uninitialized value in concatenation (.) or string at /usr/pkg/bin/mknmz line 2372, <GEN169641> line 353754.
Use of uninitialized value in length at /usr/pkg/bin/mknmz line 2348, <GEN169641> line 356228.
Use of uninitialized value in concatenation (.) or string at /usr/pkg/bin/mknmz line 2372, <GEN169641> line 356228.
Use of uninitialized value in length at /usr/pkg/bin/mknmz line 2348, <GEN169641> line 356238.
Use of uninitialized value in concatenation (.) or string at /usr/pkg/bin/mknmz line 2372, <GEN169641> line 356238.
Use of uninitialized value in length at /usr/pkg/bin/mknmz line 2348, <GEN169641> line 382634.
Use of uninitialized value in concatenation (.) or string at /usr/pkg/bin/mknmz line 2372, <GEN169641> line 382634.
Use of uninitialized value in length at /usr/pkg/bin/mknmz line 2348, <GEN169641> line 383687.
Use of uninitialized value in unpack at /usr/pkg/bin/mknmz line 2310, <GEN169641> line 383687.
Use of uninitialized value in subtraction (-) at /usr/pkg/bin/mknmz line 2312, <GEN169641> line 383687.
dump record data to NMZ.bug.info (step: 1)...Use of uninitialized value in unpack at /usr/pkg/bin/mknmz line 2453, <GEN169641> line 383687.
dump record data to NMZ.bug.info (step: 1)...The "negative number" probrem occurred.
makoto@iBook366 ■9:06:39/011018(...home/makoto)> 

/usr/pkg/bin/mknmz:

   2310     my (@data) = unpack 'w*', $record;

   2345             for (; $cnt < @words; $cnt++) {
   2346                 last unless $words[$cnt] le $current_word;
   2347                 my $record = $KeyIndex{$words[$cnt]};
   2348                 my $leng = length($record);

   2371                     my $tmp = pack("w", $leng);
   2372                     my $data_i = "$tmp$record";
   2373                     my $data_w = "$words[$cnt]\n";

/automount/u/namazu/Mail-1014/NMZ.lock2  譜を発見しました