[PowerShell] ファイル分割スクリプト

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$my_path_name = "c:/tmp/"
$my_file_name = "abc"
$my_file_kind = ".log"
$cut_num      = 2000    # 切り取る行数

$my_file = $my_path_name + $my_file_name + $my_file_kind

$count = 0;
Get-Content $my_file -ReadCount $cut_num -Encoding UTF8 | 
    ForEach-Object { 
        $count ++
        $cfs = "{0:D3}" -f $count;
        $_ > ($my_path_name+$my_file_name+'_'+$cfs+$my_file_kind)
    }