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Full Discussion: diff script to copy files to other dir when not exists
Top Forums Shell Programming and Scripting diff script to copy files to other dir when not exists Post 302570932 by jvsrvcs on Friday 4th of November 2011 05:04:06 PM
Old 11-04-2011
Quote:
Originally Posted by in2nix4life
If you have rsync installed, you can go that route. It'll only copy new files in dir1 to dir2. Just cd into dir1 and run "rsync -avz --stats * /tmp/dir2" and it should only copy files that do not already exist in dir2.

Hope this helps.
OK, I will try that. Also another requirement is that I want to skip certain meta-data directories like "CVS/". Is there a way to exclude a list of directories?

Also I do not want to copy files that differ, just files that do not exist in one, that do exist in the other. What flag controls this behaviour?
 

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LEARN ABOUT SUNOS

dircmp

dircmp(1)							   User Commands							 dircmp(1)

NAME

       dircmp - directory comparison

SYNOPSIS

       dircmp [-ds] [-w n] dir1 dir2

DESCRIPTION

       The  dircmp  command  examines dir1 and dir2 and generates various tabulated information about the contents of the directories. Listings of
       files that are unique to each directory are generated for all the options. If no option is entered, a list is output indicating whether the
       file names common to both directories have the same contents.

OPTIONS

       The following options are supported:

       -d	Compares  the  contents  of files with the same name in both directories and output a list telling what must be changed in the two
		files to bring them into agreement. The list format is described in diff(1).

       -s	Suppresses messages about identical files.

       -w n	Changes the width of the output line to n characters. The default width is  72.

OPERANDS

       The following operands are supported:

       dir1	A path name of a directory to be compared.
       dir2

USAGE

       See largefile(5) for the description of the behavior of dircmp when encountering files greater than or equal to 2 Gbyte ( 2**31bytes).

ENVIRONMENT VARIABLES

       See environ(5) for descriptions of the following environment variables that affect the execution of dircmp: LC_COLLATE,	LC_CTYPE,  LC_MES-
       SAGES, and NLSPATH.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       >0	An error occurred. (Differences in directory contents are not considered errors.)

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWesu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cmp(1), diff(1), attributes(5), environ(5), largefile(5)

SunOS 5.10							    1 Feb 1995								 dircmp(1)
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