rsync - Jul 2005 - syncing from the "file-list" option

Hello, all.

I'm a begineer for rsync and please help me.

I would like to sync data between two ftp sevrer.
If one change/add/delete data usingf ftp, other ftp server should sync from 
the main ftp servert.
In my thought, full data directory syncing is too slow, so if the client 
uses " --files-from" option, sync speed more fast than full data
directory
syncing.
  
file list is like below. 

# tail -f /var/log/xferlog | awk '{print $9}'

/home/abc/images/card_pay_contents.gif

So I executed like below at client.
/tmp/test contains the file list like above.

# rsync -avr --delete --recursive --files-from=/tmp/test 
remote_server::root  /

works well...
But if the files are deleted at the remote_server, client doesn't delete 
the file like below and print error. 
I would like to like this.
If the file is creates or modified at the main server, client must creates 
or modify.
If the file is deleted  at the main server, client must delete.


receiving file list ... rsync: link_stat 
"/home/abc/images/card_pay_contents.gif"  failed: No such file or
directory
(2)
done
client: nothing to do: perhaps you need to specify some filenames or the 
--recursive option?
rsync error: some files could not be transferred (code 23) at main.c(723)


How to do solve this problem?

Thanks in advance for your help.

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On Wed, Jul 13, 2005 at 07:54:46AM +0000, Monty Ree
wrote:
> But if the files are deleted at the remote_server, client doesn't
> delete the file like below and print error. 
That's correct.  There have been some requests for this, but that isn't
how the --files-from list currently works.  You're providing a list of
files to transfer.  Deletions are only ever receiver-side computed based
on the reception of an entire directory's contents.  So, to delete
individual files requires that you either (1) convey the deletions to
the other system via a method outside of rsync:

    cat del-list | ssh remotehost xargs rm
    
... or (2) that you create a list of parent dirs and exclusions that
fools rsync into deleting what you want.

For example, assume that we want to delete the file baz.txt that used to
be in the directory /var/foo/bar on the sender and is still in the
receiving module's directory "bar".  If we do this:

rsync -av --delete --include=baz.txt --exclude='*' /var/foo/bar/
dest::mod/bar

... rsync would delete that one file and copy nothing.  Extending that
to handle multiple directories in a single call is more complicated, but
can be made simple by using a custom script to create a files-from list
and an exclude-from list based on a list of names to delete.  I've
attached a perl script that I whipped up that does this.

Caution: although I tested the script and it appears to work, be sure
to run the rsync command (the one suggested in the comments) using the
-n option to ensure that rsync is going to do what you expect!

..wayne..
-------------- next part --------------
#!/usr/bin/perl
# To use this script, give it a list of files to be deleted and then
# run rsync with the my-* files it outputs, like this (note the -r!):
#
# rsync -ar --files-from=my-files --exclude-from=my-excludes --delete /src /dest

use strict;

my(%incl, %excl);

open(EXCLUDES, ">my-excludes") or die $!;
open(FILES, ">my-files") or die $!;

while (<>) {
    chomp;
    s#^/##;
    s#/$##;
    my $fn = '';
    my $path = '';
    foreach my $name (split(m#(/)#)) {
	$fn .= $name;
	if ($name eq '/') {
	    $path = $fn;
	    $incl{$path} |= 1;
	}
    }
    $excl{$path} = 1;
    $incl{$_} |= 2;
}

foreach (sort keys %incl) {
    if (!($incl{$_} & 2)) {
	my($path) = m#(.*/).+#;
	next unless $excl{$path};
    }
    print EXCLUDES "+ $_\n";
}

foreach (sort keys %excl) {
    print EXCLUDES "- $_*\n";
    my($path) = m#(.*)/#;
    next if $incl{$path} & 2;
    $path = '.' if $path eq '';
    print FILES "$path\n";
}

close EXCLUDES;
close FILES;