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Full Discussion: Rsync files check
Top Forums Shell Programming and Scripting Rsync files check Post 302986815 by rbatte1 on Wednesday 30th of November 2016 10:17:36 AM
Old 11-30-2016
If you want the md5 operation output, use md5sum instead of ckcum

If you have lots of files and you should be ensuring that they are identical (i.e. no files missing or extra on the target) you can use sum, cksum or md5sum on a wildcard and catch the output to a file, then compare the files. As an alternate with md5sum you can run it on the source system into a file, transfer the file and run it again on the target system using the -c flag, a bit like this:-
Code:
md5sum -c /tmp/md5sums.file 2>/dev/null |grep ": FAILED"

Any extra files on the target side will be ignored though. Is that acceptable?



Robin
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LEARN ABOUT OPENSOLARIS

md5sum

MD5SUM(1)							   User Commands							 MD5SUM(1)

NAME

       md5sum - compute and check MD5 message digest

SYNOPSIS

       md5sum [OPTION] [FILE]...

DESCRIPTION

       Print or check MD5 (128-bit) checksums.	With no FILE, or when FILE is -, read standard input.

       -b, --binary
	      read in binary mode

       -c, --check
	      read MD5 sums from the FILEs and check them

       -t, --text
	      read in text mode (default)

   The following two options are useful only when verifying checksums:
       --status
	      don't output anything, status code shows success

       -w, --warn
	      warn about improperly formatted checksum lines

       --help display this help and exit

       --version
	      output version information and exit

       The  sums  are computed as described in RFC 1321.  When checking, the input should be a former output of this program.  The default mode is
       to print a line with checksum, a character indicating type (`*' for binary, ` ' for text), and name for each FILE.

AUTHOR

       Written by Ulrich Drepper, Scott Miller, and David Madore.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2006 Free Software Foundation, Inc.
       This  is  free  software.   You	 may   redistribute   copies   of   it	 under	 the   terms   of   the   GNU	General   Public   License
       <http://www.gnu.org/licenses/gpl.html>.	There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The  full documentation for md5sum is maintained as a Texinfo manual.  If the info and md5sum programs are properly installed at your site,
       the command

	      info md5sum

       should give you access to the complete manual.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +--------------------+--------------------+
       |  ATTRIBUTE TYPE    |  ATTRIBUTE VALUE	 |
       +--------------------+--------------------+
       |Availability	    | SUNWgnu-coreutils  |
       +--------------------+--------------------+
       |Interface Stability | Uncommitted	 |
       +--------------------+--------------------+
NOTES

       Source for GNU coreutils is available on http://opensolaris.org.

md5sum 6.7							   December 2006							 MD5SUM(1)
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