MySQL&Perl,便利之合数据库

MySQL&Perl,便利之合数据库

1.MySQL&Perl,便利之合数据库 篇一

想写一些简化管理操作的脚本，下面是基础脚本之一，

对于一个从来没使用过perl脚本的我来说还是有些难度的，直接上代码。

此脚本用于发送远程MySQL命令并且接收结果，功能比较简单，后面会渐渐完善。

#!/usr/bin/perl use Getopt::Long;use DBI; Getopt::Long::GetOptions( ‘host|h=s‘ =>$host,‘user|u=s‘ =>$user, ‘password|pw=s‘ =>$password,‘port|p=s‘ =>$port,‘command|c=s‘ =>$command, ‘groupfile|f=s‘ =>$groupfile, ‘help‘ =>$help ); #print help info my $printh=q{usage : mysqlcon -h 192.168.0.33 -u root -pw ‘xiaojun‘ -p 3306 -c ‘show global status‘ or mysqlcon -g 2.txt -c ‘select user();‘cat 2.txt:192.168.0.33 root xiaojun 3306192.168.0.34 root xiaojun 3306options:-h database server *-u account name *-pw password for account *-p port for mysqld *-c command to execute *-help print help};=podif(!defined($host)){ print “page flag set to $page ”}if(defined($user)){ print “user flag set to $user ”;}if(defined($password)){ print “onoff flag set to $password ”;}if(defined($command)){ print “help flag set to $command ”;}if(defined($help)){ print $printh}=cutsub execute_sql{my $dsn = “DBI:mysql:database=mysql;host=$_[0]:$_[1]”;my ($dbh,$sth,@ary);$dbh = DBI->connect($dsn,$_[2],$_[3],{‘RaiseError‘ =>1});$sth = $dbh->prepare(“$_[4]”);$sth->execute(); while(@ary = $sth->fetchrow_array()){print join(“ ”,@ary),“”;}$sth->finish; $dbh->disconnect; }#&execute_sql($host,$port,$user,$password,$command) ;unless (!defined($help)) { die “$printh” };if(defined($groupfile)){ unless (defined($command)) { die “Wrong usage : No command input . $printh” }; open(IN,$groupfile); while($line=){ my @args=split /s/,$line; print “host:@args[0]command:$command******BEGIN”; &execute_sql(@args[0],@args[3],@args[1],@args[2],$command) ; print “******END *****************************************************”; }}else{unless (defined($host)) { die “Wrong usage : No host input . $printh” };unless (defined($user)) { die “Wrong usage : No account input . $printh” };unless (defined($password)) { die “Wrong usage : No password input . $printh” };unless (defined($port)) { die “Wrong usage : No port number input . $printh” };unless (defined($command)) { die “Wrong usage : No command input . $printh” };&execute_sql($host,$port,$user,$password,$command) ;}

使用方法

[root@centos511 ~]# ./6.perl -h 192.168.0.33 -u root -pw ‘xiaojun‘ -p 3306 -c ‘select user()‘ ;root@192.168.0.33[root@centos511 ~]# ./6.perl -g 2.txt -c ‘select user()‘ host:192.168.0.33command:select user()******BEGINroot@192.168.0.33******END *****************************************************host:192.168.0.33command:select user()******BEGINroot@192.168.0.33******END *****************************************************[root@centos511 ~]# cat 2.txt 192.168.0.33 root xiaojun 3306192.168.0.33 root xiaojun 3306[root@centos511 ~]# ./6.perl -helpusage : mysqlcon -h 192.168.0.33 -u root -pw ‘xiaojun‘ -p 3306 -c ‘show global status‘ or mysqlcon -g 2.txt -c ‘select user();‘cat 2.txt:192.168.0.33 root xiaojun 3306192.168.0.34 root xiaojun 3306options:-h database server *-u account name *-pw password for account *-p port for mysqld *-c command to execute *-help print help

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