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OSMIUM-APPLY-CHANGES(1) 				 OSMIUM-APPLY-CHANGES(1)

NAME
     osmium-apply-changes - apply OSM change file(s) to OSM data file

SYNOPSIS
     osmium apply-changes [OPTIONS] OSM-DATA-FILE OSM-CHANGE-FILE...
     osmium apply-changes [OPTIONS] OSM-HISTORY-FILE OSM-CHANGE-FILE...

DESCRIPTION
     Merges the content of all OSM change files and applies those changes to the
     OSM data or history file.

     Objects  in  the  data or history file must be sorted by type, ID, and ver-
     sion.

     Objects in change files need not be sorted, so it doesn't	matter	in  what
     order  the  change  files are given or in what order they contain the data.
     (If you are using change files of extracts this is not necessarily true and
     you must specify the change files on the command line in the correct  order
     from oldest to newest.  This is because change files from extracts can con-
     tain  multiple  different	object	versions with the same version and time-
     stamp!)

     Changes can be applied to normal OSM data files or OSM history  files  with
     this  command.   File  formats will be autodetected from the file name suf-
     fixes, see the --with-history/-H option if that doesn't work.

     This commands reads its input file(s) only once and writes its output  file
     in  one  go so it can be streamed, ie.  it can read from STDIN and write to
     STDOUT.

OPTIONS
     -H, --with-history
	    Update an OSM history file (instead of  a  normal  OSM  data  file).
	    Both input and output must be history files.  This option is usually
	    not  necessary,  because  history  files will be detected from their
	    file name suffixes, but if this  detection	doesn't  work,	you  can
	    force this mode with this option.  Can not be used together with the
	    --locations-on-ways option.

     --locations-on-ways
	    Input  has	and  output  should have node locations on ways.  Can be
	    used to update files created  by  the  osmium-add-locations-to-ways.
	    See  there for details on the format.  Can not be used together with
	    the --with-history/-H option.

     --redact
	    Redact (patch) history files.  Change files can contain any  version
	    of	any  object  which will replace that version of that object from
	    the input.	This allows changing the history!  This mode is for spe-
	    cial use only, for instance to remove copyrighted or private data.

COMMON OPTIONS
     -h, --help
	    Show usage help.

     -v, --verbose
	    Set verbose mode.  The program will output information about what it
	    is doing to STDERR.

     --progress
	    Show progress bar.	Usually a progress bar is only displayed if STD-
	    OUT and STDERR are detected to be TTY.  With this option a	progress
	    bar  is  always shown.  Note that a progress bar will never be shown
	    when reading from STDIN or a pipe.

     --no-progress
	    Do not show progress bar.  Usually a progress bar  is  displayed  if
	    STDOUT  and  STDERR  are detected to be a TTY.  With this option the
	    progress bar is suppressed.  Note that a progress bar will never  be
	    shown when reading from STDIN or a pipe.

INPUT OPTIONS
     -F, --input-format=FORMAT
	    The format of the OSM-DATA-FILE or OSM-HISTORY-FILE.  Can be used to
	    set the input format if it can't be autodetected from the file name.
	    See osmium-file-formats(5) or the libosmium manual for details.

     --change-file-format=FORMAT
	    The  format of the OSM-CHANGE-FILE(s).  Can be used to set the input
	    format if it can't be autodetected from the file name(s).  This will
	    set the format for all change files, there is no way to set the for-
	    mat for some change files only.  See osmium-file-formats(5)  or  the
	    libosmium manual for details.

OUTPUT OPTIONS
     -f, --output-format=FORMAT
	    The  format  of the output file.  Can be used to set the output file
	    format if it can't be autodetected from the output file  name.   See
	    osmium-file-formats(5) or the libosmium manual for details.

     --fsync
	    Call  fsync  after writing the output file to force flushing buffers
	    to disk.

     --generator=NAME
	    The name and version of the program generating the output file.   It
	    will  be  added  to  the header of the output file.  Default is "os-
	    mium/" and the version of osmium.

     -o, --output=FILE
	    Name of the output file.  Default is `-' (STDOUT).

     -O, --overwrite
	    Allow an existing output file to be  overwritten.	Normally  osmium
	    will refuse to write over an existing file.

     --output-header=OPTION=VALUE
	    Add output header option.  This command line option can be used mul-
	    tiple times for different OPTIONs.	See the osmium-output-headers(5)
	    man  page for a list of available header options.  For some commands
	    you can use the special format "OPTION!" (ie.  an  exclamation  mark
	    after  the	OPTION and no value set) to set the value to the same as
	    in the input file.

DIAGNOSTICS
     osmium apply-changes exits with exit code

     0	    if everything went alright,

     1	    if there was an error processing the data, or

     2	    if there was a problem with the command line arguments.

MEMORY USAGE
     osmium apply-changes keeps the contents of all the  change  files	in  main
     memory.   This  will take roughly 10 times as much memory as the files take
     on disk in .osm.bz2 format.

EXAMPLES
     Apply changes in 362.osc.gz to planet file and write result to new.osm.pbf:

	    osmium apply-changes --output=new.osm.pbf planet.osm.pbf 362.osc.gz

SEE ALSO
     * osmium(1),   osmium-merge-changes(1),	osmium-derive-changes(1),    os-
       mium-file-formats(5), osmium-output-headers(5)

     * Osmium website

COPYRIGHT
     Copyright (C) 2013-2026 Jochen Topf <jochen@topf.org>.

     License   GPLv3+:	 GNU   GPL   version  3  or  later  <https://gnu.org/li-
     censes/gpl.html>.	This is free software: you are free to change and redis-
     tribute it.  There is NO WARRANTY, to the extent permitted by law.

CONTACT
     If you  have  any	questions  or  want  to  report  a  bug,  please  go  to
     https://osmcode.org/contact.html

AUTHORS
     Jochen Topf <jochen@topf.org>.

				     1.19.0		 OSMIUM-APPLY-CHANGES(1)

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