Help - Find command to exclude sub-directories Post: 302445238

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Top Forums Shell Programming and Scripting Help - Find command to exclude sub-directories Post 302445238 by agama on Saturday 14th of August 2010 06:29:41 PM

08-14-2010

Registered User

I believe that the script offered by aigles will have issues because the OP indicates that the 'sub directory location' is a full path, and the -name option (according to the man page) takes a basename, not a path name.

Instad of the -name option the -path option should be used.

This script needs only one pass over the filesystem and defaults to listing the files. Supply 'rm' as the parameter to the script and the files will be deleted:

Code:

#!/usr/bin/env ksh

# read table and generate find commands
# {Y|N} | filesystem | filelist
awk -F "|" -v cmd="${1:-ls -l}" '
        {
                if( $1 == "Y" || $1 == "y" )            # if no-decend, add prune logic that skips directories
                        no_depth = sprintf( "\\( ! -path \"%s\"  -type d -prune \\) -o", $2 );
                else
                        no_depth = "";     # ok to examine directories -- nothing extra needed

                printf( "find %s %s ", $2, no_depth );   # output first part of cmd

                gsub( ",", " ", $3 );                # allow for pattern,pattern or pattern patern in the list
                n = split( $3, a, " " );            # process each filename pattern
                for( x = 1; x <= n; x++ )
                        printf( "-name \"%s\" ", a[x] );   # add to command

                printf( " -print | xargs %s\n", cmd );   # finish the command
        }
' | ksh           # finally pipe to ksh to execute the commands

agama

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ptargrep

PTARGREP(1)						 Perl Programmers Reference Guide					       PTARGREP(1)

NAME

       ptargrep - Apply pattern matching to the contents of files in a tar archive

SYNOPSIS

	 ptargrep [options] <pattern> <tar file> ...

	 Options:

	  --basename|-b     ignore directory paths from archive
	  --ignore-case|-i  do case-insensitive pattern matching
	  --list-only|-l    list matching filenames rather than extracting matches
	  --verbose|-v	    write debugging message to STDERR
	  --help|-?	    detailed help message

DESCRIPTION

       This utility allows you to apply pattern matching to the contents of files contained in a tar archive.  You might use this to identify all
       files in an archive which contain lines matching the specified pattern and either print out the pathnames or extract the files.

       The pattern will be used as a Perl regular expression (as opposed to a simple grep regex).

       Multiple tar archive filenames can be specified - they will each be processed in turn.

OPTIONS

       --basename (alias -b)
	   When matching files are extracted, ignore the directory path from the archive and write to the current directory using the basename of
	   the file from the archive.  Beware: if two matching files in the archive have the same basename, the second file extracted will
	   overwrite the first.

       --ignore-case (alias -i)
	   Make pattern matching case-insensitive.

       --list-only (alias -l)
	   Print the pathname of each matching file from the archive to STDOUT.  Without this option, the default behaviour is to extract each
	   matching file.

       --verbose (alias -v)
	   Log debugging info to STDERR.

       --help (alias -?)
	   Display this documentation.

COPYRIGHT

       Copyright 2010 Grant McLean <grantm@cpan.org>

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.2							    2013-08-25							       PTARGREP(1)