237 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			237 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
#!@prefix@/bin/php -Cq
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<?php // -*- PHP -*-
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// {{{ setup
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define('S_IFDIR', 0040000); // Directory
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define('S_IFCHR', 0020000); // Character device
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define('S_IFBLK', 0060000); // Block device
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define('S_IFREG', 0100000); // Regular file
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define('S_IFIFO', 0010000); // FIFO
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define('S_IFLNK', 0120000); // Symbolic link
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define('S_IFSOCK', 0140000); // Socket
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require_once "PEAR.php";
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require_once "Archive/Tar.php";
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require_once "Console/Getopt.php";
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// }}}
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// {{{ options
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$verbose    = false;
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$op_create  = false;
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$op_list    = false;
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$op_extract = false;
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$use_gzip   = false;
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$file       = '';
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$progname = basename(array_shift($argv));
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$options = Console_Getopt::getopt($argv, "h?ctxvzf:");
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if (PEAR::isError($options)) {
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    usage($options);
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}
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$opts = $options[0];
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foreach ($opts as $opt) {
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    switch ($opt[0]) {
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        case 'v': {
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            $verbose = true;
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            break;
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        }
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        case 'c': {
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            $op_create = true;
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            break;
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        }
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        case 't': {
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            $op_list = true;
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            break;
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        }
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        case 'x': {
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            $op_extract = true;
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            break;
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        }
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        case 'z': {
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            $use_gzip = true;
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            break;
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        }
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        case 'f': {
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            $file = $opt[1];
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            break;
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        }
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        case 'h':
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        case '?': {
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            usage();
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            break;
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        }
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    }
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}
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if ($op_create + $op_list + $op_extract > 1) {
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    usage("Only one of -c, -t and -x can be specified at once!");
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}
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if ($op_create + $op_list + $op_extract == 0) {
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    usage("Please specify either -c, -t or -x!");
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}
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if (empty($file)) {
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    if ($op_create) {
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        $file = "php://stdout";
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    } else {
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        $file = "php://stdin";
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    }
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}
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// }}}
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$tar = new Archive_Tar($file, $use_gzip);
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$tar->setErrorHandling(PEAR_ERROR_DIE, "$progname error: %s\n");
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if ($op_create) {
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    do_create($tar, $options[1]);
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    $tar->create($options[1]);
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} elseif ($op_list) {
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    do_list($tar, $verbose);
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} elseif ($op_extract) {
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    do_extract($tar);
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}
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// {{{ getrwx()
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function getrwx($bits) {
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    $str = '';
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    $str .= ($bits & 4) ? 'r' : '-';
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    $str .= ($bits & 2) ? 'w' : '-';
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    $str .= ($bits & 1) ? 'x' : '-';
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    return $str;
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}
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// }}}
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// {{{ getfiletype()
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function getfiletype($bits) {
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    static $map = array(
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        '-' => S_IFREG,
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        'd' => S_IFDIR,
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        'l' => S_IFLNK,
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        'c' => S_IFCHR,
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        'b' => S_IFBLK,
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        'p' => S_IFIFO,
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        's' => S_IFSOCK,
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        );
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    foreach ($map as $char => $mask) {
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        if ($bits & $mask) {
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            return $char;
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        }
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    }
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}
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// }}}
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// {{{ getuser()
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function getuser($uid) {
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    static $cache = array();
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    if (isset($cache[$uid])) {
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        return $cache[$uid];
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    }
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    if (function_exists("posix_getpwuid")) {
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        if (is_array($user = @posix_getpwuid($uid))) {
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            $cache[$uid] = $user['name'];
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            return $user['name'];
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        }
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    }
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    $cache[$uid] = $uid;
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    return $uid;
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}
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// }}}
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// {{{ getgroup()
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function getgroup($gid) {
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    static $cache = array();
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    if (isset($cache[$gid])) {
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        return $cache[$gid];
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    }
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    if (function_exists("posix_getgrgid")) {
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        if (is_array($group = @posix_getgrgid($gid))) {
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            $cache[$gid] = $group['name'];
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            return $group['name'];
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        }
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    }
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    $cache[$gid] = $gid;
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    return $gid;
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}
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// }}}
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// {{{ do_create()
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function do_create(&$tar, &$files)
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{
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    $tar->create($files);
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}
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// }}}
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// {{{ do_list()
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function do_list(&$tar, $verbose)
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{
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    static $rwx = array(4 => 'r', 2 => 'w', 1 => 'x');
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    $files = $tar->listContent();
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    if (is_array($files) && sizeof($files) > 0) {
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        foreach ($files as $file) {
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            if ($verbose) {
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                $fm = (int)$file['mode'];
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                $mode = sprintf('%s%s%s%s', getfiletype($fm),
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                                getrwx(($fm >> 6) & 7), getrwx(($fm >> 3) & 7),
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                                getrwx($fm & 7));
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                $owner = getuser($file['uid']) . '/' . getgroup($file['gid']);
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                printf("%10s %-11s %7d %s %s\n", $mode, $owner, $file['size'],
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                       date('Y-m-d H:i:s', $file['mtime']), $file['filename']);
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            } else {
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                printf("%s\n", $file['filename']);
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            }
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        }
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    }
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}
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// }}}
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// {{{ do_extract()
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function do_extract(&$tar, $destdir = ".")
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{
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    $tar->extract($destdir);
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}
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// }}}
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// {{{ usage()
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function usage($errormsg = '')
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{
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    global $progname;
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    $fp = fopen("php://stderr", "w");
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    if ($errormsg) {
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        if (PEAR::isError($errormsg)) {
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            fwrite($fp, $errormsg->getMessage() . "\n");
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        } else {
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            fwrite($fp, "$errormsg\n");
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        }
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    }
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    fwrite($fp, "$progname [-h|-?] {-c|-t|-x} [-z] [-v] [-f file] [file(s)...]
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Options:
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      -h, -?   Show this screen
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      -c       Create archive
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      -t       List archive
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      -x       Extract archive
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      -z       Run input/output through gzip
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      -f file  Use <file> as input or output (default is stdin/stdout)
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");
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    fclose($fp);
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    exit;
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}
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// }}}
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?>
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