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bones-info(1)


NAME

   bones-info - display information about a Nethack bones file

SYNOPSIS

   bones-info [-a | --auto] [-b | --big-endian] [--debug] [--help] [-x |
   --hexadecimal] [-l | --little-endian] [-v | --verbose] [--version]
   file...

DESCRIPTION

   bones-info displays information about a Nethack bones file.  By default
   it shows what byte sex it used to read the file and the 4 version
   numbers which constitute the feature set and platform for the Nethack
   binary which generated it.

ENDIANNESS (aka BYTE SEX)

   Normally bones-info reads the bones file in little endian order,
   regardless of the byte sex of the current system, mostly because it was
   originally written to help with diagnosing problems with hearse and
   that's the most useful behavior for that purpose.  You can use the
   --auto, --big-endian, and --little-endian switches to change this.

   --auto is particularly useful (and appropriate) when using --verbose.

OPTIONS

   -a, --auto
       Try to guess the right byte sex (little endian or big endian) for
       each input file.  If there doesn't seem to be a right choice,
       bones-info will output a warning, set a non-zero exit status, and
       move on to the next file.

   -b, --big-endian
       Read the bones files in big endian order, such as is used by Macs.
       See also "--auto".

   --debug
       Turn debugging on.

   --help
       Show the usage message and die.

   -x, --hexadecimal
       Output numbers in hexadecimal form.

   -l, --little-endian
       Read the bones files in little endian order, such as is used by
       Intel hardware.  This is the default, I include it so that you
       don't have to check what the default is if you know you want it a
       certain way.

   -v, --verbose
       Output more info about the bones file.  This tries to decode the 4
       version numbers.  Its useful when you want to see what the
       differences are between two sets of version numbers.  You'd
       normally want to use --auto when you use --verbose.

   --version
       Show the version number and exit.

EXAMPLES

   Output the values as used by the hearse server:

    $ bones-info *
    bonD0.0     sex=l v1=1        v2=2          v3=3          v4=4
    bonD0.4.gz  sex=l v1=50593792 v2=10357958   v3=555422078  v4=2759955912
    bonD0.8.Z   sex=l v1=1027     v2=3322682880 v3=2115050273 v4=3365241252
    bonD0.19    sex=l v1=50528512 v2=10357830   v3=555409789  v4=2558629316
    bonM0.1     sex=l v1=50593792 v2=404622406  v3=555417981  v4=2759955916
    bonM0.T     sex=l v1=50593792 v2=1969222    v3=555417981  v4=2759955912

   Output the real values as seen on the system which wrote the file (by
   guessing the byte sex of the file):

    $ bones-info --auto *
    bones-info: can't intuit byte sex of bonD0.0
    bonD0.4.gz  sex=l v1=50593792 v2=10357958   v3=555422078  v4=2759955912
    bonD0.8.Z   sex=b v1=50593792 v2=1969350    v3=555422078  v4=2759955912
    bonD0.19    sex=l v1=50528512 v2=10357830   v3=555409789  v4=2558629316
    bonM0.1     sex=l v1=50593792 v2=404622406  v3=555417981  v4=2759955916
    bonM0.T     sex=l v1=50593792 v2=1969222    v3=555417981  v4=2759955912
    zsh: exit 1     bones-info --auto *

   Decode the version numbers:

    $ bones-info --auto --verbose bonD0.4.gz bonD0.8.Z
    bonD0.4.gz: 18389 bytes
           read as: little endian
       incarnation: 50593792   (3.4.0.0)
       feature_set: 10357958   (REINCARNATION SINKS KOPS MAIL TOURIST STEED
                                TEXTCOLOR INSURANCE ELBERETH EXP_ON_BOTL
                                TIMED_DELAY)
      entity_count: 555422078  (33 artifacts, 433 objects, 382 monsters)
      struct_sizes: 2759955912 (164 flag, 64 obj, 101 monst, 456 you)

    bonD0.8.Z: 22296 bytes
           read as: big endian
       incarnation: 50593792   (3.4.0.0)
       feature_set: 1969350    (REINCARNATION SINKS KOPS MAIL TOURIST STEED
                                TEXTCOLOR INSURANCE ELBERETH EXP_ON_BOTL)
      entity_count: 555422078  (33 artifacts, 433 objects, 382 monsters)
      struct_sizes: 2759955912 (164 flag, 64 obj, 101 monst, 456 you)

    $ _

BUGS

   Unsigned longs are assumed to be 4 bytes.

   The --auto byte sex detection isn't robust.

   It'd be nice to be provide --verbose output for bones files from older
   versions.

AVAILABILITY

   This program is distributed with the Unix Hearse client.  The code is
   licensed under the GNU GPL.  Check
   http://www.argon.org/~roderick/hearse/ for updated versions.

AUTHOR

   Roderick Schertler <roderick@argon.org>



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