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因工作量太大,所以写了一个脚本完成自动化工作。工作内容是,在crontab中内容如下:
- */1 * * * * /home/nagios/nsca/nagios_check_ping.sh 192.168.1.1 >/dev/null 2>&1
现在改为
- */1 * * * * /home/nagios/nsca/nagios_check_ping.sh 192.168.1.1 mobile >/dev/null 2>&1
要完成自动插入mobile的工作,crontab 的条目太多,不可能手工去插入。所以我的代码如下:
- #!/usr/bin/perl -w
- use strict;
- my $crontab = "crontab.txt";
- # 保存 crontab 到 crontab.txt 中
- my $result = `crontab -l > $crontab`;
- open OUT,"> crontab2.txt" || die "Cann't open the file! $!";
- open IN,"< $crontab" || die "Cann't open the file! $!";
- my $flag = 1;
- my $count ;
- while(){
- $count++;
- my $line = $_;
- chomp $line;
- open MO,"< mobile.txt" || die "Cann't open the file! $!";
- while() {
- my $ip_mobile = $_;
- chomp $ip_mobile;
- my @ip = split /\s+/,$ip_mobile;
- if ( $line =~ /$ip[0]/ ){
- my @temp = split /\s+/,$line;
- print OUT " */1 * * * * $temp[5] $ip_mobile >/dev/null 2>&1 \n";
- $flag = 1;
- last;
- }else { $flag = 0;}
- }
- if($flag == 0 ){
- print OUT "$line \n";
- }
- $flag = 1;
- close MO;
- }
- close IN;
- close OUT;
今天工作太累了,就不解释代码了。
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