[me@localhost ~]$ echo 'C output'; head hardlist.txt; echo 'Perl output'; head perldata.txt 
C output
00000000  42 ed 09 00 00 00 00 00  01 00 00 00 00 00 00 00  |B...............|
00000010  18 00 2e 00 00 00 00 04  e2 6c 08 00 00 00 00 00  |.........l......|
00000020  0d 8e 0e 00 00 00 00 00  18 00 2e 2e 00 00 00 04  |................|
00000030  cb ed 09 00 00 00 00 00  a1 07 1e 00 00 00 00 00  |................|
00000040  e2 6c 08 00 00 00 00 00  0d 8e 0e 00 00 00 00 00  |.l..............|
00000050  18 00 2e 2e 00 00 00 04  cb ed 09 00 00 00 00 00  |................|
00000060  a1 07 1e 00 00 00 00 00  20 00 78 61 61 61 61 61  |........ .xaaaaa|
00000070  61 61 61 66 66 00 00 08  54 f0 09 00 00 00 00 00  |aaaff...T.......|
00000080  cb ed 09 00 00 00 00 00  a1 07 1e 00 00 00 00 00  |................|
00000090  20 00 78 61 61 61 61 61  61 61 61 66 66 00 00 08  | .xaaaaaaaaff...|
Perl output
00000000  42 ed 09 00 00 00 00 00  01 00 00 00 00 00 00 00  |B...............|
00000010  18 00 2e 00 00 00 00 04  e2 6c 08 00 00 00 00 00  |.........l......|
00000020  0d 8e 0e 00 00 00 00 00  18 00 2e 2e 00 00 00 04  |................|
00000030  cb ed 09 00 00 00 00 00  a1 07 1e 00 00 00 00 00  |................|
00000040  20 00 78 61 61 61 61 61  61 61 61 66 66 00 00 08  | .xaaaaaaaaff...|
00000050  54 f0 09 00 00 00 00 00  f3 a6 28 00 00 00 00 00  |T.........(.....|
00000060  20 00 78 61 61 61 61 61  61 61 62 64 75 00 00 08  | .xaaaaaaabdu...|
00000070  f7 f0 09 00 00 00 00 00  c8 13 67 00 00 00 00 00  |..........g.....|
00000080  20 00 78 61 61 61 61 61  61 61 62 6a 77 00 00 08  | .xaaaaaaabjw...|
00000090  c5 ee 09 00 00 00 00 00  6e 5c 6d 00 00 00 00 00  |........n\m.....|