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Full Discussion: Find and Tar a Folder
Top Forums Shell Programming and Scripting Find and Tar a Folder Post 302564590 by TasosARISFC on Friday 14th of October 2011 06:33:54 AM
Old 10-14-2011
Find and Tar a Folder
Hi all,

I have created a function that looks for a folder in a particular directory, checks the date it was last modified and if its old then compress it.
This works fine for files using gzip. However for folders I had to use tar. This is my function:

Code:
 
compressOldFolder()
{
  # $1 is the directory to search
  # $2 is the number of days a file must be old by, before it is compressed
 
  # Compress folders that:
  #    Are in/under the specified ($1) directory
  #    Were modified more than ($2) days ago
 
  find $1 -mtime +$2 -type d \( \! -name '*\.gz' \) -exec tar -cvpf {} $1 \;
}

the equivalent funtion for compressing old files uses
Code:
 
find $1 -mtime +$2 -type f \( \! -name '*\.gz' \) -exec gzip -f {} \;

which works fine...

the problem with the tar one is I get an error message saying "Cannot write to a directory"

If I replace "{}" with for eg " Archive1 " then it works fine, however what I want it to do is find the folder and compress it, not create a new separate archive

for example if I have the following directories
Folder1
--Nov2010
--Dec2010

I want the function to compress those two folders to
Folder1
--Nov2010.tar.gz
--Dec2010.tar.gz

(Nov2010 and Dec2010 are located inside Folder1 hence the "--")

any ideas?

thanks for your time!
 

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LEARN ABOUT FREEBSD

sendfiles

SENDFILES(1)							     [nmh-1.5]							      SENDFILES(1)

NAME

       sendfiles - send multiple files via a MIME message

SYNOPSIS

       sendfiles [delay] mailpath subject file1 [file2 ...]

DESCRIPTION

       The shell script sendfiles, is used to send a collection of files and directories via electronic mail.

	    sendfiles mailpath "subject" files ...

       sendfiles will archive the files and directories you name with the tar command, and then mail the compressed archive to the "mailpath" with
       the given "subject".  The archive will be automatically split up into as many messages as necessary in order to get past most mailers.

       Sometimes you want sendfiles to pause after posting a partial message.  This is usually the case when you are running sendmail  and  expect
       to  generate  a lot of partial messages.  If the first argument given to sendfiles starts with a dash, then it is interpreted as the number
       of seconds to pause in between postings, e.g.,

	    sendfiles -30 mailpath "subject" files ...

       will pause 30 seconds in between each posting.

   Extracting the Received Files
       When these messages are received, invoke mhstore once for the list of messages.	The default is for mhstore to store the combined parts	as
       a  new  message	in the current folder, although this can be changed using storage formatting strings.  You can then use mhlist to find out
       what's inside; possibly followed by mhstore again to write the archive to a file where you can subsequently uncompress and untar  it.   For
       instance:

	    % mhlist 5-8
	     msg part  type/subtype		size description
	       5       message/partial		 47K part 1 of 4
	       6       message/partial		 47K part 2 of 4
	       7       message/partial		 47K part 3 of 4
	       8       message/partial		 18K part 4 of 4
	    % mhstore 5-8
	    reassembling partials 5,6,7,8 to folder inbox as message 9
	    % mhlist -verbose 9
	     msg part  type/subtype		size description
	       9       application/octet-stream 118K
			 (extract with uncompress | tar xvpf -)
			 type=tar
			 conversions=compress
	    % mhstore 9
	    % uncompress < 9.tar.Z | tar xvpf -

       Alternately, by using the -auto switch, mhstore will automatically do the extraction for you:

	    % mhlist 5-8
	     msg part  type/subtype		size description
	       5       message/partial		 47K part 1 of 4
	       6       message/partial		 47K part 2 of 4
	       7       message/partial		 47K part 3 of 4
	       8       message/partial		 18K part 4 of 4
	    % mhstore 5-8
	    reassembling partials 5,6,7,8 to folder inbox as message 9
	    % mhlist -verbose 9
	     msg part  type/subtype		size description
	       9       application/octet-stream 118K
			 (extract with uncompress | tar xvpf -)
			 type=tar
			 conversions=compress
	    % mhstore -auto 9
	    -- tar listing appears here as files are extracted

       As the second tar listing is generated, the files are extracted.  A prudent user will never put -auto in the .mh_profile file.  The correct
       procedure is to first use mhlist to find out what will be extracted.  Then mhstore can be invoked with -auto to perform the extraction.

FILES

       $HOME/.mh_profile	  The user profile

PROFILE COMPONENTS

       Path:		    To determine the user's nmh directory
       Current-Folder:	    To find the default current folder

SEE ALSO

       mhbuild(1), mhlist(1), mhshow(1), mhstore(1).  Proposed Standard for Message Encapsulation (RFC-934)

DEFAULTS

       `-noverbose'

CONTEXT

       None

MH.6.8								   11 June 2012 						      SENDFILES(1)
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