Windows bat脚本的for语句基本形态如下: 在cmd窗口中:for %I in (command1) do command2 在批处理文件中:for %%I in (command1) do command2之所以要区分cmd窗口和批处理文件两种环境,是因为在这两种环境下,命令语句表现出来的行为虽然基本一样,但是在细节上还是稍有不同,最明显的一个差异就是: 在cmd窗口中,for之后的形式变量I必须使用单百分号引用,即%I:而在批处理文件中,引用形式变量I必须使用双百分号,即%%I.为
setting proxy for Windows CMD and Linux Terminal Linux Terminal: set http_proxy=http://127.0.0.1:8118 set https_proxy=http://127.0.0.1:8118 set http_proxy= set https_proxy= more ref: Setting proxy for apt from terminal Windows CMD: format: set HTTP_P
1. 安装clink插件使得windows cmd.exe更好用 https://github.com/mridgers/clink/releases Overview: Clink combines the native Windows shell cmd.exe with the powerful command line editing features of the GNU Readline library, which provides rich completion, history
eval 捕获错误: [root@dr-mysql01 ~]# cat t1.pl use DBI; my $dbUser='zabbix'; my $user="root"; my $passwd="1234567"; my $dbh = DBI->connect("dbi:mysql:database=zabbix;host=192.168.32.55;port=3306",$user,$passwd) or die "can