[Foreigner]

Вариант на PowerShell:

Код:

$data = get-content meibillaccfwdownload_093013.log | select-string '.+Acceptor.+is\s\d+'

$data[-3..-1] | foreach {

    $_ -replace '.*(\d{2}/\d{2}\s(\d{2}:?)+).+>(\s.+)$','$1$3'

}