perl对windows的进程的一些常用操作
1、获取所有正在运行的进程，用到了cpan的Win32：：Process：：List模块use Win32::Process::List;
my $P = Win32::Process::List->new();#constructor
my %list = $P->GetProcesses(); # returns the hashes with PID and process name
foreach my $key ( keys %list ) {
# $list{$key} is now the process name and $key is the PID
print sprintf("%30s has PID %15s", $list{$key}, $key) . "\n";
}
my $PID = $P->GetProcessPid("explorer");# get the PID of process explorer.exe
my $np = $P->GetNProcesses(); # returns the number of processes
2、结束某个进程
使用kill发送信号即可，19为停止进程，12345为进程的id，可通过getProcessPid获取
$sig_stop=19;
$pid=12345;
kill $sig_stop, $pid;
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