Do you use AmigaOS 3.5? Do you miss the original binary.datatype?
Yes? Then this is the solution for you.
This is the AROS Binary DataType backported to the Amiga.
In a great effort to rewrite the entire AmigaOS,
The Amiga Research OS has gained some substantial success,
for example a working binary.datatype ;)
Please visit the AROS-homepage at http://www.aros.org
to see for yourself.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 1842    2802  65.7% -lh5- 8057 Nov 14  2000 ABinaryDT.info
[generic]                  344     579  59.4% -lh5- 3348 Nov  9  2000 ABinaryDT.readme
[generic]                 1656    4313  38.4% -lh5- 37b7 Nov 14  2000 ABinaryDT/ABinaryDT.guide
[generic]                 2391    3066  78.0% -lh5- dbc0 Nov  9  2000 ABinaryDT/ABinaryDT.guide.info
[generic]                 2159    3468  62.3% -lh5- cf88 Nov 11  2000 ABinaryDT/binary.datatype
[generic]                 8282   23928  34.6% -lh5- 210a Mar  6  2000 ABinaryDT/license.html
[generic]                 2446    3127  78.2% -lh5- 1464 Nov  9  2000 ABinaryDT/license.html.info
[generic]                 1841    2802  65.7% -lh5- ac5b Nov  9  2000 ABinaryDT/Source.info
[generic]                  218     292  74.7% -lh5- 6775 Nov 11  2000 ABinaryDT/Source/binary_intern.h
[generic]                 4218   14701  28.7% -lh5- a3e1 Nov 11  2000 ABinaryDT/Source/binaryclass.c
[generic]                  276     585  47.2% -lh5- c750 Nov 11  2000 ABinaryDT/Source/compilerspecific.h
[generic]                  237     398  59.5% -lh5- 5bdd Nov 11  2000 ABinaryDT/Source/debug.h
[generic]                  938    3403  27.6% -lh5- ea9a Nov 11  2000 ABinaryDT/Source/libfunc.c
[generic]                  277     518  53.5% -lh5- 8308 Nov 11  2000 ABinaryDT/Source/smakefile
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        14 files   27125   63982  42.4%            Nov 18  2000