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    Command:

    dpkg-split

    
    
    

    SYNOPSIS

           dpkg-split [option...] command
    
    
    

    DESCRIPTION

           dpkg-split  splits  Debian  binary package files into smaller parts and
           reassembles them again, to support the storage of large  package  files
           on small media such as floppy disks.
    
           It  can  be  operated  manually  using  the  --split, --join and --info
           options.
    
           It also has an automatic mode, invoked using the --auto  option,  where
           it maintains a queue of parts seen but not yet reassembled and reassem-
           bles a package file when it has seen all of its parts. The --listq  and
           --discard options allow the management of the queue.
    
           All splitting, joining and queueing operations produce informative mes-
           sages on standard output; these may safely be ignored.
    
    
    

    COMMANDS

           -s, --split complete-archive [prefix]
                  Splits a single Debian binary package into several parts.
    
                  The parts are named prefix.NofM.deb where N is the part  number,
                  starting at 1, and M is the total number of parts (both in deci-
                  mal).
    
                  If no prefix is supplied then the complete-archive  filename  is
                  taken, including directory, with any trailing .deb removed.
    
           -j, --join part...
                  Joins  the  parts  of  a package file together, reassembling the
                  original file as it was before it was split.
    
                  The part files given as arguments  must  be  all  the  parts  of
                  exactly  the  same  original  binary  file. Each part must occur
                  exactly once in the argument list, though the parts to not  need
                  to be listed in order.
    
                  The  parts  must of course all have been generated with the same
                  part size specified at split time, which means  that  they  must
                  usually have been generated by the same invocation of dpkg-split
                  --split.
    
                  The parts' filenames are not significant for the reassembly pro-
                  cess.
    
                  By default the output file is called package_version_arch.deb.
    
           -I, --info part...
                  Prints  information,  in a human-readable format, about the part
    
                  If  not then the part is copied into the queue and complete-out-
                  put is not created.
    
                  If part is not a split binary package part then dpkg-split  will
                  exit  with  status  1; if some other trouble occurs then it will
                  exit with status 2.
    
                  The --output or -o option must be supplied  when  using  --auto.
                  (If  this  were not mandatory the calling program would not know
                  what output file to expect.)
    
           -l, --listq
                  Lists the contents of the queue of packages to be reassembled.
    
                  For each package file of which parts are in the queue the output
                  gives  the  name of the package, the parts in the queue, and the
                  total number of bytes stored in the queue.
    
           -d, --discard [package...]
                  This discards parts from the queue  of  those  waiting  for  the
                  remaining parts of their packages.
    
                  If no package is specified then the queue is cleared completely;
                  if any are specified then only parts of the relevant  package(s)
                  are deleted.
    
           -h, --help
                  Show the usage message and exit.
    
           --version
                  Show the version and exit.
    
    
    

    OPTIONS

           --depotdir directory
                  Specifies an alternative directory for the queue of parts await-
                  ing automatic reassembly. The default is /var/lib/dpkg.
    
           -S, --partsize kibibytes
                  Specifies the maximum part size  when  splitting,  in  kibibytes
                  (1024 bytes). The default is 450 KiB.
    
           -o, --output complete-output
                  Specifies the output file name for a reassembly.
    
                  This  overrides the default for a manual reassembly (--join) and
                  is mandatory for an automatic queue-or-reassemble (--auto).
    
           -Q, --npquiet
                  When  doing  automatic  queue-or-reassembly  dpkg-split  usually
                  prints  a  message  if  it  is given a part that is not a binary
                  package part. This option suppresses this message, to allow pro-
    
    
    

    EXIT STATUS

           0      The  requested split, merge, or other command succeeded.  --info
                  commands count as successful even if the files  are  not  binary
                  package parts.
    
           1      Only occurs with --auto and indicates that the part file was not
                  a binary package part.
    
           2      Some kind of trouble happened, such as a system call failure,  a
                  file  that  looked like a package part file but was corrupted, a
                  usage error or some other problem.
    
    
    

    BUGS

           Full details of the packages in the queue are impossible to get without
           digging into the queue directory yourself.
    
           There  is no easy way to test whether a file that may be a binary pack-
           age part is one.
    
    
    

    FILES

           /var/lib/dpkg/parts
                  The default queue directory for part  files  awaiting  automatic
                  reassembly.
    
                  The filenames used in this directory are in a format internal to
                  dpkg-split and are unlikely to be useful to other programs,  and
                  in any case the filename format should not be relied upon.
    
    
    

    SEE ALSO

           deb(5), deb-control(5), dpkg-deb(1), dpkg(1).
    
    
    

    AUTHOR

           Copyright (C) 1995-1996 Ian Jackson
    
           This  is free software; see the GNU General Public Licence version 2 or
           later for copying conditions. There is NO WARRANTY.
    
    
    

    Debian Project 2011-07-04 dpkg-split(1)

    
    
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