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[Perl] check md5 v1.0

作者：reistlin 发布时间：August 2, 2010 分类：原创文章

作者: reistlin
来源: http://www.reistlin.com/blog/32
更新时间: 2010.08
版权声明: 原创文章.转载请保留作者信息和原文完整.谢绝任何方式的摘要

[https://reistlin.googlecode.com/svn/trunk/perl/check_md5.pl]

#!/usr/bin/perl -w 
 
# Name: check md5 v1.0
# Author: reistlin
# Website: www.reistlin.com
# Hotfix: bigyong
# Website: www.bigyong.com
# Date: 2010.08.02
 
use strict;
use Data::Dumper;
use Digest::MD5 qw(md5 md5_hex md5_base64);
 
 
# Debug Switch
my $debug = 0;
 
# Start Time
my $time_1 = time();
# Clear
system "clear";
 
 
# Defined Original Hash File
my $original_file = "./check_md5.log";
my %original_hash;
 
# Defined CheckList Directory
my $checklist_dir = "/home/reistlin";
 
# Defined Exclude Directory
my $exclude_tag = 0;
my @exclude_dir = ("/home/reistlin/exclude1", "/home/reistlin/exclude2");
my $exclude_key = join("|", @exclude_dir);
 
# Defined Result
my @md5_ok;
my @md5_no;
my @md5_bad;
 
 
# Check Hash File
if ( ! -e $original_file ) { 
	print "[Error] Can not open MD5 logfile [$original_file] \n"; 
	print "[Error] Please run the \[create_md5.pl\] to create original MD5 logfile \n"; 
	exit;
} else {
	# check file stat
	&filestat($original_file);
 
	# load hash file
	open(FILE, $original_file);
 
	while (<FILE>) {
		my $line = $_;
		if ( $line =~ m/(.+)\s+(.+?)\s*$/ ) {
			$original_hash{$2} = $1;
		}
	}
	close(FILE);
}
 
 
# List file Check MD5
sub checkmd5 {
	my $path = shift;
	# clean path end "/"
	$path =~ s/\/+$//;
 
	opendir(DIR, $path) or die "[Error] Can not check directory [$path] \n";
	my @list = readdir(DIR);
	closedir(DIR);
 
	foreach my $tmp (@list) {
		# exclude "." or ".."
		next if ( $tmp =~ m/^\.+$/ );
		# full path
		my $path_sub = $path . "/" . $tmp;
		# exclude directory
		next if ( ( $path_sub =~ /$exclude_key/ ) && ( $exclude_tag == 1 ) );
		# subdirectory recursive
		if ( -d $path_sub ) {
			&checkmd5($path_sub);
		} else {
			# check key
			if ( exists $original_hash{$path_sub} ) {
				# check md5 
				if ( $original_hash{$path_sub} eq &md5sum($path_sub) ) {
					push @md5_ok, $path_sub;
				} else {
					push @md5_bad, $path_sub;
				}
			} else {
				push @md5_no, $path_sub;
			}
		}
	}
}
 
 
# MD5 Check Mode
sub md5sum {
	my $file = shift;
	open(FILE, $file) or die "[Error] Can not check file [$file] \n";
	binmode(FILE);
 
	my $md5 = Digest::MD5->new();
	$md5->addfile(*FILE);
 
	close(FILE);
 
	$md5->hexdigest;
}
 
 
# File Stat Mode
sub filestat {
	my $file = shift;
	my @file_stat = stat($file);
	my $mtime = localtime $file_stat[9];
	my $ctime = localtime $file_stat[10];
 
	print "\n";
	print "[$file] Modify: $mtime \n"; 
	print "[$file] Change: $ctime \n";
	print "[$file] UID: $file_stat[4] \n";
	print "[$file] GID: $file_stat[5] \n";
	print "[$file] Size: $file_stat[7] bytes \n";
	print "\n";
}
 
 
# Print Array Mode
sub print_array {
	my @array = @_;
	foreach my $tmp (@array) {
		print "$tmp \n";
	}
}
 
 
# Main Program
&checkmd5($checklist_dir);
 
 
# Print Result Mode
my $scalar_ok = scalar(@md5_ok);
my $scalar_no = scalar(@md5_no);
my $scalar_bad = scalar(@md5_bad);
 
print "[OK MD5] $scalar_ok Files:\n";
&print_array(@md5_ok);
print "\n";
 
print "[NO MD5] $scalar_no Files:\n";
&print_array(@md5_no);
print "\n";
 
print "[BAD MD5] $scalar_bad Files:\n";
&print_array(@md5_bad);
print "\n";
 
 
# End Time
my $time_2 = time();
my $time = $time_2 - $time_1;
 
# Script Runtime
print "Runtime \[$time\] Seconds ... \n";
print "End! Good Luck! :-) \n";
print "\n";

标签: perl