在 PowerShell 中运行 CMD 命令

我在运行 PowerShell 命令时遇到了很多问题。它所做的只是运行一个命令，该命令将在 CMD 提示窗口中运行。

下面是命令:

"C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin\i386\CmRcViewer.exe" PCNAME

我尝试过以下方法，但是没有成功(我尝试过很多次这样的迭代，试图得到一个有效的方法。语法可能都搞错了) :

$TEXT = $textbox.Text #$textbox is where the user enters the PC name.
$CMDCOMMAND = "C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin\i386\CmRcViewer.exe"
Start-Process '"$CMDCOMMAND" $TEXT'
#iex -Command ('"C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin\i386\CmRcViewer.exe"' $TEXT)

该命令将只打开到用户在文本框中指定的计算机的 SCCM 远程连接窗口。

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最佳答案

Try this:

& "C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin\i386\CmRcViewer.exe" PCNAME

To PowerShell a string "..." is just a string and PowerShell evaluates it by echoing it to the screen. To get PowerShell to execute the command whose name is in a string, you use the call operator &.

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You must use the Invoke-Command cmdlet to launch this external program. Normally it works without an effort.

If you need more than one command you should use the Invoke-Expression cmdlet with the -scriptblock option.

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To run or convert batch files externally from PowerShell (particularly if you wish to sign all your scheduled task scripts with a certificate) I simply create a PowerShell script, e.g. deletefolders.ps1.

Input the following into the script:

cmd.exe /c "rd /s /q C:\#TEMP\test1"


cmd.exe /c "rd /s /q C:\#TEMP\test2"


cmd.exe /c "rd /s /q C:\#TEMP\test3"

*Each command needs to be put on a new line calling cmd.exe again.

This script can now be signed and run from PowerShell outputting the commands to command prompt / cmd directly.

It is a much safer way than running batch files!

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For those who may need this info:

I figured out that you can pretty much run a command that's in your PATH from a PS script, and it should work.

Sometimes you may have to pre-launch this command with cmd.exe /c

Examples

Calling git from a PS script

I had to repackage a git client wrapped in Chocolatey (for those who may not know, it's a package manager for Windows) which massively uses PS scripts.

I found out that, once git is in the PATH, commands like

$ca_bundle = git config --get http.sslCAInfo

will store the location of git crt file in $ca_bundle variable.

Looking for an App

Another example that is a combination of the present SO post and this SO post is the use of where command

$java_exe = cmd.exe /c where java

will store the location of java.exe file in $java_exe variable.

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One solution would be to pipe your command from PowerShell to CMD. Running the following command will pipe the notepad.exe command over to CMD, which will then open the Notepad application.

PS C:\> "notepad.exe" | cmd

Once the command has run in CMD, you will be returned to a PowerShell prompt, and can continue running your PowerShell script.

Edits

CMD's Startup Message is Shown

As mklement0 points out, this method shows CMD's startup message. If you were to copy the output using the method above into another terminal, the startup message will be copied along with it.


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