powershell 删除7天前的文件

 

$today=Get-Date#"今天是：$today"#昨天#"昨天是:$($today.AddDays(-1))"#明天#"明天是:$($today.AddDays(1))"#一周前#"一周前是: $($today.AddDays(-7))"#五个月前#"五个月前:$($today.AddMonths(-5))"#十年之前#"十年之前:$($today.AddYears(-10).Year)年,我们是朋友."#日期格式化#"格式化日期：" + $today.ToString('yyyy-MM-dd')$7day=$($today.AddDays(-7).ToString('yyyy-MM-dd'))#$7day$localdbdir="D:\database_bak"$remotedbdir="D:\master_database_bak"$downonlinefiledir="D:\db_online_bak"#删除7天前的文件function delfiles{    #布尔类型转换成整数    $result=Test-Path $_.FullName |foreach { [int] $_ }    if ($result -eq 1) {         del $_.FullName        "删除文件成功！"        }    else{        "文件不存在"        break        }}#Test-Path $downwebfilesfunction delfile{    if($args.Count -eq 0)    {        "No argument!"    }    else    {                     $args | foreach { delfiles "$($_)"}    }}function delfilelist{    #$args    if($args.Count -eq 0)    {        "No argument!"        }    elseif($args -eq $downonlinefiledir)    {    Get-ChildItem -Path $args  -Recurse -ErrorAction SilentlyContinue -Filter *.rar |Where-Object { $_.Extension -eq '.rar' }|`Where-Object -FilterScript {($_.LastWriteTime -lt $7day) -and ` ($_.PsISContainer -ne $True)} |    Select-Object FullName|    ForEach-Object {delfiles $_.FullName}    }    else    {    Get-ChildItem -Path $args  -Recurse -ErrorAction SilentlyContinue -Filter *.bak |Where-Object { $_.Extension -eq '.bak' }|`Where-Object -FilterScript {($_.LastWriteTime -lt $7day) -and ` ($_.PsISContainer -ne $True)} |    Select-Object FullName|    ForEach-Object {delfiles $_.FullName}    }}delfilelist $localdbdirdelfilelist $remotedbdirdelfilelist $downonlinefiledir