shellexecute – Make Me Engineer

How to run application which requires admin rights from one that doesn’t have them [closed]

May 28, 2023 by Tarik

Real problem: (from Wikipedia: http://en.wikipedia.org/wiki/User_Account_Control) An executable that is marked as “requireAdministrator” in its manifest cannot be started from a non-elevated process using CreateProcess(). Instead, ERROR_ELEVATION_REQUIRED will be returned. ShellExecute() or ShellExecuteEx() must be used instead. (BTW, ERROR_ELEVATION_REQUIRED error == 740) Solution: (same site) In a native Win32 application the same “runas” verb can be … Read more

How do I run a command-line program in Delphi?

May 28, 2023 by Tarik

An example using ShellExecute(): procedure TForm1.Button1Click(Sender: TObject); begin ShellExecute(0, nil, ‘cmd.exe’, ‘/C find “320” in.txt > out.txt’, nil, SW_HIDE); Sleep(1000); Memo1.Lines.LoadFromFile(‘out.txt’); end; Note that using CreateProcess() instead of ShellExecute() allows for much better control of the process. Ideally you would also call this in a secondary thread, and call WaitForSingleObject() on the process handle to … Read more

ShellExecute equivalent in .NET

July 23, 2022 by Tarik

Process.Start. Note that advanced uses (printing etc) require using a ProcessStartInfo and setting the Verb property.

How can I run a child process that requires elevation and wait?

July 21, 2022 by Tarik

Use ShellExecuteEx, rather than ShellExecute. This function will provide a handle for the created process, which you can use to call WaitForSingleObject on that handle to block until that process terminates. Finally, just call CloseHandle on the process handle to close it. Sample code (most of the error checking is omitted for clarity and brevity): … Read more

Exec a shell command in Go

July 19, 2022 by Tarik

Getting output from a shell/dos app into a Delphi app

July 15, 2022 by Tarik

As ever so often Zarco Gajic has a solution: Capture the output from a DOS (command/console) Window. This is a copy from his article for future reference: The example runs ‘chkdsk.exe c:\’ and displays the output to Memo1. Put a TMemo (Memo1) and a TButton (Button1) on your form. Put this code in the OnCLick … Read more

How to call shell script from php that requires SUDO?

May 29, 2022 by Tarik

Edit the sudoers file (with visudo) and add a rule that allows the web server user to run the command without a password. For example: www-data ALL=NOPASSWD: /path/to/script

How do I execute a program from Python? os.system fails due to spaces in path

May 8, 2022 by Tarik

subprocess.call will avoid problems with having to deal with quoting conventions of various shells. It accepts a list, rather than a string, so arguments are more easily delimited. i.e. import subprocess subprocess.call([‘C:\\Temp\\a b c\\Notepad.exe’, ‘C:\\test.txt’])