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Full Discussion: find command with wildcard directory
Top Forums Shell Programming and Scripting find command with wildcard directory Post 302533074 by Corona688 on Wednesday 22nd of June 2011 05:00:23 PM
Old 06-22-2011
Quote:
Originally Posted by srini0603
can you tell me a bit more about two finds?
I think I forgot a pipe. No wonder it was puzzling you.

Code:
# Find and print 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 |
# Read lines like /Production/ST/.../bcfa0dbbcf17f28c768d1d34da6b48a4 into DIR, one-by-one
while read DIR
do
        # We feed that whole directory into another find, telling it to look
        # for files.  It prints them one by one, piped into xargs,
        # which uses them as arguments for rm.
        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

If that didn't answer your question you'll need to ask about something specific.
Quote:
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.
I don't think so, those look like hex: binary numbers encoded as ASCII digits 0-9 and a-f.
Quote:
is there any restriction on the # of directories I can search using this wildcard?
There's no limit on find -name '*', no, because it can process them one-by-one. When you expand * inside the shell itself, it has to find all of them at once, before find is even run, potentially running out of room.
Quote:
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.
"rmdir /path/to/folder" only removes 'folder'. And it won't even do that unless it's empty. So I try to remove /Production/ST/st*/Outbound/Prod/PROD-*/bcfa0dbbcf17f28c768d1d34da6b48a4/PGP, and if that succeeds, I try to remove /Production/ST/st*/Outbound/Prod/PROD-*/bcfa0dbbcf17f28c768d1d34da6b48a4 itself.

And as I said, don't remove the echo until you're sure it does what you want.
 

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LEARN ABOUT REDHAT

rmdir

RMDIR(1)								FSF								  RMDIR(1)

NAME

       rmdir - remove empty directories

SYNOPSIS

       rmdir [OPTION]... DIRECTORY...

DESCRIPTION

       Remove the DIRECTORY(ies), if they are empty.

       --ignore-fail-on-non-empty

	      ignore each failure that is solely because a directory is non-empty

       -p, --parents
	      remove  DIRECTORY, then try to remove each directory component of that path name.  E.g., `rmdir -p a/b/c' is similar to `rmdir a/b/c
	      a/b a'.

       -v, --verbose
	      output a diagnostic for every directory processed

       --help display this help and exit

       --version
	      output version information and exit

AUTHOR

       Written by David MacKenzie.

REPORTING BUGS

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

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

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

	      info rmdir

       should give you access to the complete manual.

rmdir (coreutils) 4.5.3 					   February 2003							  RMDIR(1)
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