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ditto(8)		  BSD System Manager's Manual		      ditto(8)


     ditto - copy files and directories to a destination directory


     ditto [-v] [-V] [-X] [--arch arch] [--bom bom] [--rsrc] src ...
     ditto [-v] [-V] [--arch arch] [--rsrc] src_file dst_file
     ditto -c [-z] [-k] [-v] [-V] [-X] [--keepParent] src dst_archive
     ditto -x [-z] [-k] [-v] [-V] src_archive ... dst_directory


     In its first form, ditto copies one or more source files or directories
     to a destination directory.  If the destination directory does not exist
     it will be created before the first source is copied.  If the destination
     directory already exists then the source directories are merged with the
     previous contents of the destination.

     In its second form, ditto copies a file to the supplied dst_file path-

     The final forms reflect ditto's ability to create and unpack archives.
     These archives can be either CPIO format (preferred for unix content) or
     PKZip (for Windows compatibility).	 src_archive (and dst_archive) can be
     the single character '-', causing ditto to read (write) archive data from
     (to) stdin (stdout).

     ditto overwrites existing files, symbolic links, and devices in the des-
     tination when these are copied from a source.  The resulting files,
     links, and devices will have the same mode, access time, modification
     time, owner, and group as the source items from which they are copied.
     Pipes, sockets, and files with names beginning with .nfs or .afpDeleted
     will be ignored.  ditto does not modify the mode, owner, or group of
     existing directories in the destination.  Files cannot overwrite directo-
     ries or vice-versa.

     ditto can be used to "thin" multi-architecture binaries during a copy.
     ditto can also copy files selectively based on the contents of a BOM
     ("Bill of Materials") file.  ditto preserves hardlinks present in the
     source directories and preserves setuid and setgid modes. Finally, ditto
     can preserve resource fork and HFS meta-data information when copying.


     -v	   Print a line of output for each source directory copied.

     -V	   Print a line of output for every file, symbolic link, and device

     -X	   When copying one or more source directories, do not descend into
	   directories that have a different device ID.

     -c	   create an archive at the destination path.  CPIO archives should be
	   stored in files with names ending in .cpio.	Compressed CPIO
	   archives should be stored in files with names ending in .cpgz.
	   PKZip archives should be stored in filenames ending in .zip.

     -x	   the first source is an archive to extract.

     -z	   -x implies -z.  CPIO archives should be compressed.	Uncompressed
	   data flows through the decompressor unmodified.

     -k	   Instead of CPIO, assume PKZip archives.

	   the parent directory of src should be embedded in dst_archive.
	   --keepParent only applies to the creation of archives.

     --arch arch
	   Thin multi-architecture binaries ("fat binaries") to the specified
	   architecture. If multiple -arch options are specified then the
	   resulting destination file will be multi-architectural containing
	   each of the specified architectures (if they are present in the
	   source file).  arch should be specified as "ppc", "i386", etc.

     --bom bom
	   If this option is given then only files, links, devices, and direc-
	   tories that are present in the specified BOM file are copied.

	   Preserve resource forks and HFS meta-data.  ditto will store this
	   data in Carbon-compatible ._ AppleDouble files on filesystems that
	   do not natively support resource forks.

	   synonym for --rsrc

	   ditto will preserve resource forks and HFS meta-data in the direc-
	   tory __MACOSX within PKZip archives.


     The command:
	   ditto src_directory dst_directory
     copies the contents of src_directory into dst_directory, creating
     dst_directory if it does not already exist.

     The command:
	   ditto src_directory dir/dst_directory
     copies the contents of src_directory into dir/dst_directory, creating dir
     and dst_directory if they don't already exist.

     The command:
	   ditto src-1 ... src-n dst_directory
     copies the contents of all of the src directories into dst_directory,
     creating dst_directory if it does not already exist.

     The command:
	   ditto --arch ppc fat_file thin_file
     copies the contents of fat_file into thin_file, thinning executable code
     to ppc-only on the fly.

     The command:
	   ditto -c --rsrc Scripts -|ssh rhost ditto -x --rsrc - ./Scripts
     copies Scripts, including resources and metaData, to rhost.


     ditto returns 0 if a copy finishes successfully, otherwise non-zero.
     Diagnostic messages will be printed to standard error.


     DITTOABORT	 If the environment variable DITTOABORT is set, ditto will
		 call abort(3) if it encounters a fatal error.


     ditto does not copy pipes; it should.  ditto cannot copy multiple sources
     into a CPIO archive (that this doesn't work for PKZip is expected given
     that file format).	 ditto doesn't copy directories into directories in
     the same way as cp(1).  In particular,
	   ditto foo bar
     will copy the contents of foo into bar, whereas
	   cp -r foo bar
     copies foo itself into bar. Though this is not a bug, some may consider
     this bug-like behavior.

     ditto should use getopt(3).


     bom(5), lsbom(8), cpio(1), zip(1), tar(1), mkbom(8).

Mac OS X		       27 February 2003			      Mac OS X

Mac OS X 10.3 - Generated Sat Jun 7 05:39:02 CDT 2008