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Full Discussion: find command with wildcard directory
Top Forums Shell Programming and Scripting find command with wildcard directory Post 302533067 by srini0603 on Wednesday 22nd of June 2011 04:44:42 PM
Old 06-22-2011
Quote:
Originally Posted by Corona688
If you'd only said "dozens" I'd have have suggested this in the first place, but this is dangerous when you have lots of files and folders. There's a limit to how many things one glob can find -- in some shells, no more than a page or two worth.

The version with two finds has no limit at all.

You're only deleting some of the files. If they're not empty, I doubt you really want them deleted.

You'll need to use the two-find version to do this anyway, since it'd be torturous to get the right directory in one find and use it only once. I'll use 0-9, a-f if that worked for you.

Code:
# Find all directories in .../PROD-* beginning with [0-9a-f]
find /Production/ST/st*/Outbound/Prod/PROD-* -type d -name '[0-9a-f]*' -print -name '*' -prune
while read DIR
do
        # Find files in "${DIR}/PGP", delete them if old enough
        find "${DIR}/PGP" -type f -mtime +2 | xargs -d '\n' echo rm
 
        # Remove these directories only if they're empty
        rmdir "${DIR}/PGP" && rmdir "${DIR}"
# the rmdir's will cause some error messages when they fail, redirect that to /dev/null
done 2> /dev/null

find | xargs rm will run 'rm file1 file2 file3 ...' where find -exec rm would run 'rm file1; rm file2 ; rm file3 ...' so xargs makes it much faster. The -d '\n' is to tell xargs to consider anything but newlines as part of the filename.

The 'echo' is just a test, to print filenames instead of deleting as a test. Remove it once you're sure it's doing what you wanted.
can you tell me a bit more about two finds?

so in my case do I have to give it as 0-9,a-z as it could be anything between 0-9 and a-z as the first letter of the folder. is there any restriction on the # of directories I can search using this wildcard?

also won't the rmdir "${DIR}" delete the full structure? I just need only till the 32 char folder deleted and the rest should be intact.

P.S:
I just confirmed that it will be 32 chars and it will be consistent? so can i use the ??? approach? would that be better?
 

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LEARN ABOUT ULTRIX

rmf

rmf(1mh)																  rmf(1mh)

Name
       rmf - remove folder

Syntax
       rmf [ +folder ] [ -help ] [ -[no]interactive ]

Description
       The  command  removes all of the messages within the current folder, and then removes the folder itself.  If there are any files within the
       folder which are not part of MH, they are not removed, and an error message is displayed.

       You can specify a folder other than the current folder by using the +folder argument.  If you do not specify a folder, and cannot find  the
       current folder, asks you whether you want to delete instead.

       If the current folder is removed, it makes current.

       Note that the command irreversibly deletes messages that do not have other links, so use it with caution.

       If  the folder being removed is a sub-folder, the parent folder becomes the new current folder, and tells you that this has happened.  This
       provides an easy mechanism for selecting a set of messages, operating on the list, then removing the list  and  returning  to  the  current
       folder from which the list was extracted.

       Using to delete a read-only folder deletes the private sequence and current message information from the file, without affecting the folder
       itself.	If you have sub-folders within a folder, you must delete all the sub-folders before you can delete the folder itself.

Options
       -help	 Prints a list of the valid options to this command.

       -interactive
       -nointeractive
		 Asks for confirmation before deleting a folder.  By default, deletes a folder and its messages without asking	for  confirmation.
		 If  you  specify  the	-interactive option, asks if you are sure before deleting the folder.  You are advised to use this option,
		 since when deletes a folder its contents are lost irretrievably.

Examples
       This example shows how asks for confirmation when the -interactive option is used:
       % rmf -interactive +test
       Remove folder "test"? y

Profile Components
       Path:   To determine the user's Mail directory

Files
       The user profile.

See Also
       rmm(1mh)

																	  rmf(1mh)
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