rdist man page on HP-UX

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rdist(1)							      rdist(1)

       rdist - remote file distribution program

       [ ] [ ] [ ] [ ] [ label...  ]

       [ ] [login@]host[:dest]

       facilitates  the maintaining of identical copies of files over multiple
       hosts.  It preserves the owner, group, mode, and modification  time  of
       files if possible and can update programs that are executing.

       Specify a   distfile  for  to execute.  distfile contains a sequence of
		   entries that specify the files to be copied,	 the  destina‐
		   tion hosts, and what operations to perform to do the updat‐
		   ing.	 The format of distfile is described in detail	later.
		   If distfile is the standard input is used.  If no option is
		   present, the program looks first for a file called then  in
		   the local host's working directory to use as the input.

       Define	   var	to  have value.	 The option is used to define variable
		   definitions in the distfile.	 value can be an empty string,
		   one name, or a list of name separated by tabs and/or spaces
		   and enclosed by a pair  of  parentheses.  However,  if  the
		   variable  specified is already defined in the distfile, the
		   option has no effect (because the  distfile	overrides  the

       Display debugging information onto standard output.

       Limit which machines are to be updated.	Multiple
		   arguments  can  be  given  to  limit updates to a subset of
		   hosts that are listed in the distfile.  For	more  informa‐
		   tion	 on  the  host	format,	 refer to the section destina‐

       label	   Label of a command to execute.  The label must  be  defined
		   in distfile.

       The	   option  forces  to  interpret  the remaining arguments as a
		   small distfile.  The equivalent distfile is as follows.

			( name ... ) -> [login@]host
				 install  [dest] ;

		   In IPv6 enabled systems to use  the	option	with  an  IPv6
		   address,  the  IPv6	address has to be enclosed in a square
		   bracket pair and An example invocation of with  the	option
		   and an IPv6 address is as shown below:

		   If the IPv6 address is not enclosed within square brackets,
		   the first occurrence of a colon is treated as the separator
		   between the hostname and the path.

       Print the commands without executing them. This option is
		   useful for debugging distfile.

       Quiet mode. Files that are being modified are normally
		   printed on standard output. The option suppresses this.

       Remove  extraneous  files.  If  a directory is being updated, any files
       that exist
		   on the remote host that do not exist in the	master	direc‐
		   tory	 are  removed.	 This  is useful for maintaining truly
		   identical copies of directories.

       Follow symbolic links. Copy the file that the  link  points  to	rather
       than the
		   link itself.

       Ignore unresolved links.
		   will	 normally  try to maintain the link structure of files
		   being transferred and warn the user if it cannot  find  all
		   the links.

       Verify that the files are up to date on all the hosts. Any files
		   that are out of date will be displayed but no files will be
		   changed nor any mail sent.

       Whole mode. The whole file name is appended to the  destination	direc‐
		   name.  Normally,  only the last component of a name is used
		   when renaming files.	  This	will  preserve	the  directory
		   structure  of  the files being copied instead of flattening
		   the directory structure. For example, renaming  a  list  of
		   files such as and to would create files and instead of and

       Younger mode. Files are normally updated if their
		   mtime  and  size  (see stat(2)) disagree. The option causes
		   not to update files that are younger than the master	 copy.
		   This	 can  be  used	to prevent newer copies on other hosts
		   from being replaced.	 A  warning  message  is  printed  for
		   files which are newer than the master copy.

       Binary comparison. Perform a binary comparison and update files if they
		   rather than comparing dates and sizes.

       Check that mode, ownership, and group are the same in addition  to  any
		   form	 of  comparison	 that  is in effect.  This option will
		   cause files to be replaced but will only correct the	 prob‐
		   lem with a directory and print a warning message.

       The  distfile  used  by contains a sequence of entries that specify the
       files to be copied, the destination hosts, and what operations to  per‐
       form to do the updating.	 Each entry has one of the following formats.

	      variable_name = name_list
	      [label:] source_list ->  destination_list	 command_list
	      [label:] source_list ::  time_stamp_file	command_list

       The  first format is used for defining variables.  The second format is
       used for distributing files to other hosts.  The third format  is  used
       for  making  lists  of  files  on the local host that have been changed
       since some given date.  (See

		 Specify the name of a variable.

       name_list List of names (such as list of hosts or lists of files) sepa‐
		 rated by tabs and/or spaces and enclosed by parentheses.

		 Specify  a list of files and/or directories on the local host
		 to be used as the master copy for distribution.  Each file in
		 the  source_list  is added to a list for changes, if the file
		 is out of date on the host that is being updated (second for‐
		 mat), or if the file is newer than the time stamp file (third
		 format).  source_list may contain a single name, or  multiple
		 names	separated by tabs and/or spaces and enclosed by paren‐

		 List of hosts to which these files are to be copied.	desti‐
		 nation_list may contain a single name, or multiple names sep‐
		 arated by tabs and/or spaces  and  the	 whole	list  must  be
		 enclosed  by  parentheses.  The  host	names  in the destina‐
		 tion_list can also be in the form For example, In this	 case,
		 the user owns the files distributed at

		 Specify a given date to generate a list of files on the local
		 host that were modified since that date.

       label:	 Labels are optional. They are used to identify a command  for
		 partial updates.

		 Specifies a list of commands to be performed.

		 The  command  list  consists  of zero or more commands of the
		 following format.

		 The command is used to copy out-of-date files and/or directo‐
		 ries.	 Each source file is copied to each host in the desti‐
		 nation list.  Directories are recursively copied in the  same
		 way.  opt_dest_name is an optional parameter to rename files.
		 If no command appears in the command list or the  destination
		 name  is  not specified, source_list is used.	Directories in
		 the path name will be created if they do  not	exist  on  the
		 remote	 host.	 To help prevent disasters, a non-empty direc‐
		 tory on a target will never be replaced with a	 regular  file
		 or  a	symbolic  link.	 However, under the option a non-empty
		 directory will be removed if the  corresponding  filename  is
		 completely  absent  on	 the master host.  The options are and
		 and have the same semantics as options on the	command	 line,
		 except	 that  they  only  apply to the files in the specified
		 source_list.  The login name used on the destination host  is
		 the same as on the local host, unless the destination name is
		 of the form "login@host".

		 The command is used to mail the list of  files	 updated  (and
		 any  errors  that  may have occurred) to the listed names, in
		 name_list.  If no appears in the name, the  destination  host
		 is appended to the name (e.g., name1@host, name2@host, ...).

		 The  command is used to update all of the files in the source
		 list, except for the files listed in name_list.  This is usu‐
		 ally  used  to	 copy everything in a directory except certain

		 The command is like the command except that pattern_list is a
		 list  of regular expressions (see ed(1) for details).	If one
		 of the patterns matches some string within a file name,  that
		 file  will  be	 ignored.   Note that since the backslash is a
		 quote character, it must be doubled to	 become	 part  of  the
		 regular  expression.	Variables are expanded in pattern_list
		 but not shell file pattern matching characters.  To include a
		 it must be escaped with the backslash.

		 The  command is used to specify sh(1) commands that are to be
		 executed on the remote host after the file  in	 name_list  is
		 updated  or  installed.  If the name_list is omitted then the
		 shell commands will be executed for  every  file  updated  or
		 installed.   The  shell variable `FILE' is set to the current
		 filename before executing the	commands  in  string.	string
		 starts and ends with double quotes (") and can cross multiple
		 lines in distfile.  Multiple commands to the shell should  be
		 separated  by semi-colons Commands are executed in the user's
		 home directory on the host being updated.  The command can be
		 used,	for example, to rebuild private databases after a pro‐
		 gram has been updated.	 Shell variables cannot be used in the
		 command  because there is no escape mechanism for the charac‐

       Newlines, tabs, and blanks are only used as separators and  are	other‐
       wise ignored. Comments begin with and end with a newline.

       A generalized way of dynamically building variable lists is provided by
       using a backquote syntax much like the shell.  In this  way,  arbitrary
       commands that generate stdout with space-separated words may be used to
       build the list (see the use of command in the examples).

       Variables to be expanded begin  with  followed  by  the	variable  name
       enclosed in curly braces.

       The shell meta-characters and are recognized and expanded (on the local
       host only) in the same way as csh(1).  They can be escaped with a back‐
       slash.	The  character	is also expanded in the same way as csh but is
       expanded separately on the  local  and  destination  hosts.   When  the
       option  is used with a file name that begins with everything except the
       home directory is appended to the destination name.  File  names	 which
       do  not	begin with or use the destination user's home directory as the
       root directory for the rest of the file name.

       A message about a mismatch of version numbers may  mean	that  an  exe‐
       cutable is not in the shell's path on the remote system.

       The following is an example.
	      HOSTS = ( matisse root@arpa )

	      FILES = ( /usr/lib /usr/bin /usr/local/games
		   /usr/man/man? `cat ./std-files` )

	      EXLIB = ( Mail.rc aliases aliases.dir aliases.pag crontab dshrc
		   sendmail.cf sendmail.fc sendmail.hf sendmail.st uucp vfont )

	      ${FILES} -> ${HOSTS}
		   install -R ;
		   except /usr/lib/${EXLIB} ;
		   except /usr/local/games/lib ;
		   special /usr/sbin/sendmail " /usr/sbin/sendmail -bz" ;

	      /usr/local/src -> arpa
		   except_pat ( \\.o$ /SCCS\$ ) ;

	      IMAGEN = (ips dviimp catdvi)

	      /usr/local/${IMAGEN} -> arpa
		   install /usr/local/lib ;
		   notify ralph ;

	      ${FILES} :: stamp.cory
		   notify root@cory ;

       Source files must reside on the local host where is executed.

       There is no easy way to have a special command executed after all files
       in a directory have been updated.

       Variable expansion only works for name lists and in the command string;
       there should be a general macro facility.

       aborts on files that have a negative mtime (before Jan 1, 1970).

       does  carry the atime when installing a file but will preserve it on an
       updated file.

       There should be a `force' option	 to  allow  replacement	 of  non-empty
       directories by regular files or symlinks.

       was developed by the University of California, Berkeley.

       appeared in the 4.3 Berkeley Software Distribution.

       Input command file.
       Temporary file for update lists.

       sh(1), csh(1), stat(2).


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