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我有一個csv文件,其中包含一些日期格式的字段。這是從CSV標題行與第一行沿:使用Powershell更新CSV中的日期字段
"id","start_time","end_time","station_id","location"
"12617954","31/07/2014 4:38:49 AM","31/07/2014 4:39:19 AM","2","tv","home"
CSV文件有很多項,我想每個日期轉換爲使用PowerShell自定義格式。自定義格式是yyyyMMdd-hh:mm:ss
迄今已嘗試過此功能,但沒有將結果寫入csv文件。我顯然不是專家,但我做錯了什麼?
$dateformats = [string[]]("dd/MM/yyyy hh:mm:ss tt","dd/MM/yyyy h:mm:ss tt")
$csvfiles = Import-Csv -path "D:\new_creative.csv"
ForEach ($line in $csvfiles) {
$starttime2 = [datetime]::ParseExact($line.start_time, $dateformats, [System.Globalization.CultureInfo]::InvariantCulture,[System.Globalization.DateTimeStyles]::None)
$starttime2.year.ToString() + $starttime2.month.toString().PadLeft(2,"0") + $starttime2.day.toString().PadLeft(2,"0") + "-" + $starttime2.Hour.toString().PadLeft(2,"0") + ":" + $starttime2.Minute.toString().PadLeft(2,"0") + ":" + $starttime2.Second.toString().PadLeft(2,"0")
$starttime = $line.start_time.Replace($starttime,$startime2)
}
$csvfiles | Export-Csv "D:\file2.csv" -Force -Notype
這是完美的!非常感謝arco444。 – mikec 2014-11-05 22:24:22