if (Test-Path "C:\Path\To\myprogram.exe") { Start-Process "myprogram.exe" } else { Start-Process "alternativeprogram.exe" } 26. 从文件中读取参数并启动程序 从文件中读取参数并启动程序: powershellCopy Code $arguments = Get-Cont
Calling powershell script from C# code with administrator privileges Calling powershell Script in an HTML Button OnClick function calling psexec with powershell Calling Start-Process with arguments with spaces fails Calling the same function from within the function (calling itself) Can a file b...
Example 7: Specifying arguments to the processBoth commands start the Windows command interpreter, issuing a dir command on the Program Files folder. Because this foldername contains a space, the value needs surrounded with escaped quotes. Note that the first command specifies a string a...
You can use this to build strings containing the command, parameters, and arguments you need, and then invoke the string as if it were a command. The strings that you create must follow the same parsing rules as a command that you type at the command line. For more information, see ...
try { Start-Something -Path $path } catch [System.IO.FileNotFoundException] { Write-Output "Could not find $path" } catch [System.IO.IOException] { Write-Output "IO error with the file: $path" } 针对每个 catch 块检查异常类型,直到找到与你的异常匹配的块。必须认识到,异常可继承自其他异常...
Both tests should succeed, i.e, bothStart-Processcalls should pass the specified arguments through (write them to stdout), without writing anything to stderr. Actual behavior Describing Start-Process -Verb RunAs bug [+] Starting a batch file with NO elevation accepts double-quoted arguments 1.19...
(This is done when the user uses either Confirm or WhatIf arguments.) Also notice that I am going to catch exceptions and wrap them with ThrowTerminatingError. In this sample, if anything goes wrong, it shouldn't proceed because the file open will have failed. It's usually bad form to...
GetUnresolvedProviderPathFromPSPath(Executable):Executable;// Set up the exec arcsvarargs=newList<string>();if(Arguments!=null){args.AddRange(Arguments);}args.Add(null);// Needed by exec// Flush the env varsforeach(DictionaryEntryenvEntryinEnvironment.GetEnvironmentVariables()){setenv(envEntry....
Start from Windows menu Start from file browser Command-line arguments Related content Visual Studio includes two command-line shells for developers, a command prompt and an instance of PowerShell, as follows:Visual Studio Developer Command Prompt - A standard command prompt with certain environme...
The argumentargsis used to pass the command that starts the external program. There are two ways that you can pass the command with its parameters. As a Sequence of Arguments Popen(["path_to_external_program_executable","command_args1","command_args2", ...]) ...