Question

我使用的是Windows Server 2012 R2（64位）。我有powershell版本4可用。我正在尝试压缩和解压缩文件。当我尝试Write-Zip命令时，它会抛出以下错误：

Write-Zip：术语＆＃39; Write-Zip＆＃39;不被识别为cmdlet，函数，脚本文件或可操作的名称程序。检查名称的拼写，或者如果包含路径，请验证路径是否正确，然后重试。

我应该怎么做才能修复它？我是否需要在服务器中安装zip / winrar？或者是否有其他命令执行zip / unzip文件？

Answer 1

Write-Zip似乎是http://pscx.codeplex.com/的一部分，需要单独安装才能使用它。

但是，如果您只想从文件夹创建Zip存档，则可以运行

$source = "c:\temp\source"
$archive = "c:\temp\archive.zip"

Add-Type -assembly "system.io.compression.filesystem"
[io.compression.zipfile]::CreateFromDirectory($source, $archive)

这利用了.NET Framework类CreateFromDirectory中的ZipFile方法。它从位于$source文件夹内的文件创建zip存档，并创建$archive变量中定义的存档。注意，ZipFile类是在.NET Framework 4.5中引入的

Answer 2

您可以使用自定义PowerShell对象New-Object -ComObject Shell.Application并使用标记复制文件以解压缩。

$filePath = "foo.zip"
$shell = New-Object -ComObject Shell.Application
$zipFile = $shell.NameSpace($filePath)
$destinationFolder = $shell.NameSpace("C:\Program Files\WindowsPowerShell\Modules")

$copyFlags = 0x00
$copyFlags += 0x04 # Hide progress dialogs
$copyFlags += 0x10 # Overwrite existing files

$destinationFolder.CopyHere($zipFile.Items(), $copyFlags)

信用来源https://github.com/hashicorp/best-practices/blob/master/packer/scripts/windows/install_windows_updates.ps1#L12-L22

这不适用于windows＆＃39;核心＆＃39;版。如果可能，请升级到powershell 5并使用Expand Archive，因为它更简单。

Answer 3

如果您可以升级到PowerShell V5（https://www.microsoft.com/en-us/download/details.aspx?id=50395），它本身就有它们。 https://richardspowershellblog.wordpress.com/2014/10/25/powershell-5-zip-and-unzip/

对于PowerShell版本4，您可以使用此搜索http://www.powershellgallery.com/items?q=zip&x=0&y=0。这也可以满足您的需求：https://www.powershellgallery.com/packages/Microsoft.PowerShell.Archive/1.0.1.0

要安装模块，您需要输入：

install-module -name <module name>

powershellgallery.com是一个免费上传的网站。请在运行之前检查并理解模块。

希望这会有所帮助。谢谢，蒂姆。

Answer 4

Write-Zip安装可能未正确执行。错误地手动编辑环境参数PSModulePath可能导致它：

原始值错误：

PSModulePath = %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\;C:\Program Files (x86)\PowerShell Community Extensions\Pscx3\;C:\Program Files\Intel\

物有所值（可以解决问题）

PSModulePath = C:\Program Files (x86)\PowerShell Community Extensions\Pscx3\;%SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\;C:\Program Files\Intel\

Answer 5

应该在PS4下工作。请参阅New-Zip和[CmdletBinding()] Param( [Parameter(Mandatory=$True)] [ValidateScript({Test-Path -Path $_ })] [string]$sourceDirectory, [Parameter(Mandatory=$True)] [ValidateScript({-not(Test-Path -Path $_ -PathType Leaf)})] [string]$destinationFile, [Parameter(Mandatory=$True)] [int]$noOlderThanHours ) function New-Zip { param([string]$zipfilename) set-content $zipfilename ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18)) (dir $zipfilename).IsReadOnly = $false } function Add-Zip { param([string]$zipfilename) if(-not (test-path($zipfilename))) { set-content $zipfilename ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18)) (dir $zipfilename).IsReadOnly = $false } $shellApplication = new-object -com shell.application $zipPackage = $shellApplication.NameSpace($zipfilename) foreach($file in $input) { $zipPackage.CopyHere($file.FullName) Start-sleep -milliseconds 500 } } $oldest = (Get-Date) - (New-TimeSpan -Hours $noOlderThanHours) $filesToZip = dir $sourceDirectory -Recurse | Where-Object {$_.lastwritetime -gt $oldest} Write-Host Going to zip following files $filesToZip | foreach {Write-Host $_.FullName} $filesToZip| Add-Zip $destinationFile函数

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在Powershell 4中压缩和解压缩文件

5 个答案: