Powershell脚本批量ping C段并保存结果

param(
    [string]$ipStr='192.168.2.1-255',
    [string]$outFile='c:\ping_0.txt'
)

function checkIp{
    #$computers=@(pc1,pc2) test-connection -computername $computers
    param(
        [string]$ip,
        [int]$count=2
    )
    $rst=$false
    try{
        $rst = Test-Connection -Quiet -Count $count -ComputerName $ip
        }
    catch{
        $_
    }
    return $rst
}

function parseBit{
    param(
        [string]$bitStr
    )
    $bitArr=@()
    if($bitStr.indexof('-') -gt 0){
        [int]$left,[int]$right=$bitStr.split('-')
        for($i=$left;$i -le $right;$i++){
            $bitArr+=($i)
        }
    }
    else{
            $bitArr+=([int]($bitStr))
        }
    return $bitArr
}

function parseIp{
    param(
        [string]$ipsStr
    )
    $bits=@()
    $i=0
    $ips=@()
    foreach($bitStr in $ipsStr.split('.')){
        $bits+=,(parseBit $bitStr)
    }
    foreach($bit0 in $bits[0]){
        foreach($bit1 in $bits[1]){
            foreach($bit2 in $bits[2]){
                foreach($bit3 in $bits[3]){
                        $ips+=($bit0,$bit1,$bit2,$bit3 -join '.')
                    }
                }
            }
        }
    return $ips
    }

$i=0
$ips=parseIP($ipStr)
foreach($ip in $ips){
    $rst=(checkIp -ip $ip)
    if($rst -or ($i % 100 -eq 0)){
        '{0} {1}' -f $ip,$rst|Out-File $outFile -append
    }
    $i+=1
}