[Foreigner]

bill_open, PowerShell:

Дата фактическая:

Код:

$csv = import-csv source.csv -header "ips", "datetime"

$result = @()
foreach ( $ip in $csv.ips ) {

    try { $hostname = [net.dns]::gethostbyaddress( $ip ).hostname }
    catch { $hostname = $null }

    $result += new-object psobject -property @{
    
        hostname = $hostname
        ipaddress = $ip
        datetime = get-date -u "%x %T"
       
}}

$result | select hostname,ipaddress,datetime | export-csv result.csv

Дата из source.csv:

Код:

$csv = import-csv source.csv -header "ips", "datetime"

$result = @()
for ( $i=0; $i -lt $csv.count; $i++ ) {

    try { $hostname = [net.dns]::gethostbyaddress( $csv.ips[$i] ).hostname }
    catch { $hostname = $null }

    $result += new-object psobject -property @{
    
        ipaddress = $csv.ips[$i]
        datetime = $csv.datetime[$i]
        hostname = $hostname
        
}}

$result | select hostname,ipaddress,datetime | export-csv result.csv