Delphi execute command line and wait. You signed out in another tab or window.

Delphi execute command line and wait The following function starts an executable with a given command line. " That means & doesn't wait for cmd to In fact, if you include a command line in that parameter, CreateProcess will do nothing. I have a standard Delphi 5 install on my machine here, and when I open a command prompt, navigate to the $(DELPHI)\Demos\Threads directory and enter dcc32. 22. You are looking to create Now I wish to run a command-line tool that receives some arguments, and to run in the background (as hidden, not minimized) and let it block my program flow, so that i'll be able to wait for it to finish. stdout. This is far from an ideal situation - command-line parameters or COM Interop are much more reliable - but it works. When starting another batch it's a big difference, as CALL will start it in the same window and the called batch has access to the same variable context. In this example, the RunCmdAndWait procedure uses the CreateProcess function with the STARTF_USESHOWWINDOW flag to execute the cmd command. I used this procedure I found: procedure GetDosOutput(const Exe,Param:string;Amemo:TMemo); var SA: TSecurityAttributes; SI: TStartupInfo; PI: TProcessInformation; StdOutPipeRead, StdOutPipeWrite: THandle; WasOK: Boolean; Buffer: @The_Fox I am not asking about running programs, but about CMD itself. Use CreateProcess instead. How to send commands to cmd in C#. When I call the script from this Administrator command prompt, the -Wait switch is also ignored, and the I would like the following commands to run in sequential order, waiting for a response before moving onto the next command: one version or installation to the next may vary and usually don't matter to the casual user invoking them from the command line, but script behavior can vary noticeably. Rather than changing the working directory after cmd. Making command prompt wait. The object I have been looking for a way to open a file saved to my computer via a Delphi app with its appropriate application. // p. . exe', 'icacls "C:\ProgramData\My Program\File" /grant Users:F', nil, SW_NORMAL); Note: The command its self works perfectly. I need this to happen || First app closes; Wait 100 ms; second app opens ||. exe > out. Execute a program and wait until it is done #17. If all this doesn't work insert 5 ping commands, that is the It runs the command and moves on immediately before the command is finished. exe') and Parameters properties instead of CommandLine. 1 /nh >c:\OpenFilesExport. Delphi Executing command line command. more commands Call ShellExecuteEx passing a command interpreter to do the work. Perhaps I'm mixing terms like: cmd, command line and batch file run in cmd. Handle, 'open', 'cmd. /myapplication and pass also command line parameters Advanced Wish b) a notification once the . I'm trying to modify a legacy Delphi 5 app so that it can be launched either from it's icon/via Explorer, or from the console (command-line). That's the command interpreter. how There is a useful cl command: START command runs programs: START "title" [/D path] [options] "command" [parameters] Every START invocation runs the command given in its parameter and returns immediately, unless executed with a /WAIT switch. I want to run external applications (DOS commands - copy,cd,delete,. txt we can use the following: ShellExecute( Application. Parameters: FileName - full path to executable; Params - command line parameters or use empty string; function execWait( strFile, strPath, strOpts : String ) : Boolean; { ----- Executes an external program and waits for it to exit. You will also need to pass the /C option to cmd. Dim wsh As Object Set wsh = VBA. exe C:\> # this line will display immediately I know using cmd /c will wait for application exit. To do so you can wait until the property TThread. I implemented: command=['python','segment. zAppName: array [0. E. Queue(nil, procedure begin SomeForm. 0. 'Command = The command line instruction you wish to run. Shell") Dim waitOnReturn As Boolean: waitOnReturn = True Dim windowStyle As Integer: windowStyle = 1 wsh. You are clearly looking to call cmd. I haven't tested this, but it looks like it could work. The first trick is to pipeline to Out-Null like so: Notepad. You're comparing here the string "(0" to "0)". I need to know how to execute command line command in Delphi. Background. exe has started, use the lpCurrentDirectory parameter of CreateProcess to do that. 'Wait = 1/0; 1 will wait for the command to finish before continuing. A windowed application will run in the background, and control will return immediately to the command prompt (most likely with an ErrorLevel of zero to indicate that the process was Right now, I use sleep (pauza is just a constant, means pause in Serbian). The first parameter consists of the text "param1", the second parameter of the text "param2". Thanks If application supports no command line parameters, you could automatize what you want. exe' commands in one ShellExecuteEx under Delphi. exe, which it does, passing on any command line arguments, and then immediately terminates. exe (wait for end of example. The process starts and immediately detects that it is a 32 bit process running under WOW64 under a 64 bit system. How do I run a command-line program in Delphi? 1. Reading cmd output real time. If you want to execute multiple commands with 1 line, where you are starting the commands with start, for example, if you wanted to execute a command like this: . E. – Joey. No, you can just type "notepad", but you need to skip application name for that, use only command line. screen. -- strOpts: Any command line options needed. Ideally, I'd like to replace that line with a procedure which would sleep for the interval, or wait for a button press based on a configuration setting. But to start an exe you don't even need CALL. Last update on 2021-04-06 | Created on 2012-08-06 Normally, for internal commands PowerShell does wait before starting the next command. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I plan to run specific application commands every X days using Task Scheduler. Wait before execute next line in bat. Shell") objShell. Run this code using IPython or python -m asyncio:. It includes design-time and runtime packages. exe /i c:\b. 512] of Char; zCurDir: array [0. start "" netsh dump && pause Then, you need to do it in 2 steps (one-line solution is at the end of this answer). bat" -ArgumentList "arguments" Start-Sleep -s 10 Wait-Process -Name "setup" This works, but I would think there'd be a better way without having to use a timeout command. exe on Windows. If the execution fails (non-0 return value from executable), the return #50: How can I execute a program and have my code wait until it is finished? var. - running console application: - all works OK Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company If you have code that blocks the GUI, you can use a background thread and an event to provide a non blocking timer. I need to wait until FormCreate will end, and run StartLoop after that (without using threads). Is there any way to wait for a specific kind of string and answer based on this string? kinda like VBS in secureCRT: crt. exe is its own app, so you don't need to use cmd. txt would still output into console and not into file out. You could use for line in iter(p. Or the lazy way of running the shell execute and the wait out of a background thread. Execute a command-line Application via ShellExecute() and get its return value Hot Network Questions Optimal strategy for 1-player "snowball" game I tried using the -ping command to try to delay it, but it didn't work. When I run this from command line: 7z a 1. Execute. Task. You should do that directly and avoid the middle man. LaunchCommandWindow() The cool thing of this component is that you do not need to wait the end of the program to get back the output. Multiple 'cmd. I created a console application in delphi 7, which is supposed to show messages after you press the enter button: begin writeln ('Press ENTER to continue'); readln; writeln ('blablabla'); writeln ('blablabla'); end; In Delphi, it is used similarly to how it’s used in other programming languages for Windows. Hi, I'm using the following code to execute a dos executable (FullPath) with some arguments and switches (ActiveFileNameAndSwitches): "ShellExecute(Handle,'open',Pchar(FullPath),Pchar(ActiveFileNameAndSwitches), nil,SW_SHOWNORMAL);" The code does work, and it does execute the dos In my program I check for a registry key at startup and if somehow it does not exist I execute the reg file located in the application folder wit the help of ShellExecute command. Only after that, the next line of the batch script will be processed. In each run of my program, the input file changes and so does the output file. IShellExecuteHook. exe cd somepath\ For simple things, though, I'd recommend that you either use the function RunCommand() or RunCommandIndir. If you really want to use TProcess you should use the Executable (in your case set to 'cmd. Stack Overflow. When requiring a command –line program in your Application, setting up ‘createprocess ‘ and pipes So, as a first parameter, we are passing the command line and as a second parameter, we can define how the program should be displayed. The parameters are: -- strFile: The name of the program to execute -- strPath: The directory to use. txt', // this way we told cmd. msi” srtCmd3 = "c:\c. You don't want to use ShellExecuteEx since that has far more generality than you need. You are looking to create Here, we are starting the program "C:\prog. AutoIt is also available as a COM or DLL version so that you can use it directly from your I provide the input. Do I have to write support for command-line parameters first, so Scheduler can execute it? delphi; command-line; parameters; or ask your own question. currently the execution of lines is faster and due to this, the result which I am getting is wrong. So, as a first parameter, we are passing the command line and as a second parameter, we can define how the program should be displayed. get Output of cmd while running. How to suppress the prompt to change registry settings? Hot Network Note — for those doing involved-ish things with Windows batch-scripts: if a process C is start-ed within a call-ed . Based on this answer by @Magoo which didn't work for me, but put me on the right track. I am trying to execute command prompt lines after connecting to remote unix server from a C# code. Delphi ShellExecute not working in Windows In Delphi I've used ShellExecute for years to launch (and optionally wait for) other applications. I tried the Shellandwait(), but without much luck. Started do; Also you can call TThread. My code looks like this: You signed in with another tab or window. So it can also change variables which affects the caller. When it gets launched from the console, I want the program to detach itself from the console process, so that the console can continue to execute other instructions without waiting for my program to terminate. Since the main command prompt window has completed its task in 30 minutes, and the forked batch files needs another 5 minutes to complete, Waiting until a process created by calling a batch file has completed. Lets see if this give better picture: I run same project1. Skip to main content. The parameters are: -- strFile: The name of the Replace 'your_command_here' with the command you want to execute in the command prompt. But it would be important to multithread your code so that your application is not stalled while your command-line application is running. g. The simple pattern for task creation and waiting until the work is done is shown by this pseudo code // create a management task task. I'd like to make builds from the command line and I'm wondering if there's a way how to execute the command line compiler with selected build configuration ? I know there is option --no-config which won't load default dcc32. I would prefer to use the wait or sleep commands but they do not appear to be included in Windows 7. Caveat: if you use it for a process that is running multiple times, it waits for all of them to finish before continuing. WaitForString("question") In order to execute a command and have it not hang your PHP script while it runs, the program you run must not output back to PHP. Run "C:\folder\runbat. I'm trying to execute a command via command-line and afterwards execute another command (not in cmd) which dependes on the outcome of the former command. readline, b''): print line, (note: comma at the end). START will create a new cmd. /myappliaction is finished work around i) any solution using RAD C++ and Linux compile options ?? ii) call a phyton script from Delphi ???? iii) a dll written in Lazarus ????? There are a number of ways to improve this: Don't use ShellExecute. Since runas is an executable and the batch waits until it is finished it's possible you can let away the start command all together. This example will add a new line with the I am new to C# and trying to develop a small application which internally opens a command prompt and executes some command here. C# wait for task to complete. How do I tell a windows batch script to execute the next line without waiting for the previous line to finish executing? 9. I am building the crystal 13 vcl components for delphi 12. start /wait ParentChecker. run like below, how can I make them wait until prior command finished? srtCmd1 = "msiexec. exe paramater1 paramater2 With "start /wait", you start the program and wait for the program until it has been executed and terminated again. exe) taskkill /im f Make command prompt wait till all processes finish execution. Canvas is an area of form where we can draw shapes, lines and can fill colors on shapes. Wait for process to end and continue code in CMD/BATCH. exe /query /s 127. Also I think programs like FAR and nFTP and other console-targeted would also react to close and close in a proper manner. I have a python script that I can run using the terminal. WhenAll(tasksList. sh &lt;-- Don't wait for this to return. Now though, I need to have one of these applications appear in one of my Delphi app forms. The problem is my Python code not wait to finish execute command, for example if I'm try to execute sleep 30, the Python not wait 30 seconds for finish execute commands. But net. Run(myCommand, windowStyle, While you may be right about the help indicating command line options for the IDE, you would probably be much better changing your script to use the dcc32. Remove stdout=PIPE in the second example; it might hang the script. handle, 'runas', 'cmd. Then it displayed the final output from 7zip. ; That said, there is no point to use cmd here. ". ; If you must hide a console window, pass the CREATE_NO_WINDOW flag to CreateProcess. 5. If you I have tried to use delphi to send commands to the command prompt. Although Delphi creates a graphical user interface, there are bound to be times you want to execute a program from your Delphi code. You can use Example code : Display the command line with two parameters passed; var cmd : string; i : Integer; begin // Before running this code, use the Run/parameters menu option // to set the following command line parameters : -parm1 -parm2 cmd := CmdLine; ShowMessage(cmd); // Show the execution command + parameters // How many parameters were passed? Testing ErrorLevel works for console applications, but as hinted at by dmihailescu, this won't work if you're trying to run a windowed application (e. Create a new Forms application and put a TMemo component on your form. open second I am trying to run a command-line command from inside my Delphi application. Delphi Questions and Answers ; Windows API ; You can check the running processes after ShellExecute and grab it's handle for data transfer but this introduces a lot of unnecessary So your code will execute results. 3. For this tutorial, we'll be using the parameters dialog box to pass command line arguments to an application so that it'll be as if we're running it from Windows Explorer. it comes line by line. Then switch to your project folder and simply type MSBuild and hit Enter, which will execute the compiler with the current project file. call() if you don't need an exception for non-zero returned code – EDIT: For the multiple command on one line the key are the & | && and || command connectors. Yikes! In that case, you have to use the second argument. Any ideas? @echo off start /wait program1. I want to program this delay using the best practices. import asyncio proc = await asyncio. Button. That way you can use WaitForSingleObject and not block the UI. bat” objShell = CreateObject("WScript. So I thought it might be an issue with the "Scripts" account, until I opened a new command prompt with runas Administrator. exe". > /dev/null 2>&1 & Prevent waiting for command line output. So you need to change I tried using the -ping command to try to delay it, but it didn't work. Given that, ExecNewprocess would be changed as follows: Description. Guess how likely they are to be equal What you want is actually not to use the %errorlevel% pseudo-variable at all, unless you've made sure to unset it before use to avoid bugs due to shadowing. For example: Run application want wait for its window to appear. To do this, redirect both stdout and stderr to /dev/null, then background it. sh has finished. VCL components; Database/SQL; Reports Multimedia, images; Java The next procedure allows you to execute a program and to wait until it's finished: function WinExecAndWait32 = Visibility; if not CreateProcess(nil, zAppName, { pointer to command line string } nil, { pointer to process security There's no need to involve cmd. How to i alter the command-line of: ShellExecute(NULL,"open",FULL_PATH_TO_CMD_LINE_TOOL,ARGUMENTS,NULL,SW_HIDE); ShellExecute returns as soon as the process is created. Edit: I'll add an example since you didn't get it running. – Execute CMD command-line programs with Delphi and DOSCommand. This means you do not have to wait until the end of the DOS programs to get a result. 7. Obviously, command-line parameters are out and I would imaging a memory mapped file will also not be secure. There are many people using dcc32. How can resolve this problem ? I tried with while recv_ready(), but it still does not wait. Reload to refresh your session. how to get a batch file to execute the next command without waiting. exe process has been exited before continuing. That was just an example. The 32 bit mstsc. exe /i c:\a. How to suppress the prompt to change registry settings? Hot If you want to execute multiple commands with 1 line, where you are starting the commands with start, for example, if you wanted to execute a command like this: . . exe to run net commands. It's a forward slash or solidus, by the way, not a backslash. You signed out in another tab or window. // Do not wait for the child process to exit before // reading to the end of its redirected stream. But in this particular case, why are you using ShellExecute() at all to start a service instead of using StartService()? – A Delphi application that I'm working on must delay for one, or sometimes two, second(s). If what you want is to execute a command-line executable, and get the response that this exe writes to the console, the easiest way could be to call the exe from a batch file and redirect the output to another file using >, and then read that file. Usually, calling windows application in command prompt does not wait its exit. create_subprocess_exec( 'ls','-lha', stdout=asyncio. Run(myCommand, windowStyle, It's not a component, so I guess it qualifies. Hi, A very simple way is to simply call ShellExecute with passing the DOS command in as a parameter. 2 Tokyo? What I want to do is execute a shell command with parameters like /home/test/qrencode -o /tmp This works for me in Windows 10 (1903). How to wait until my batch file is finished. I've tried the code below as a simple test to open notepad (which it does) and to display the result within PAnel1 on my form (which it doesnt). txt as c:\2. You can run CMD-script and when you would click that button, CMD would gracefully ask to cancel script execution. How to wait until I use a batch file to start up a few of the programs I need running in the background. You don't need to create a process that creates This is not difficult to do. This is covered by Python 3 Subprocess Examples under "Wait for command to terminate asynchronously". It's actually very simple. Inside an async scope (i. This is functionally equivalent to putting the lines after await into the setTimeout callback and not using async/await at all. However, i am not able to do so as i used CreateProcess method to do it. an async function), you can use the "await" keyword to wait for a Promise to resolve before continuing to the next line of the function. Once I type myFormApp. bat", windowStyle, waitOnReturn (Idea copied from Wait for Shell to finish, then format cells - synchronously execute a command) Is there a way to build a Delphi Project from the command line without actually installing the IDE (and thus [STATUS] Building DelphiCITest. zip J:\test. Given that, ExecNewprocess would be changed as follows: You may also want to look into this Microsoft Knowledge Base entry or search for more information about the DDE Execute command. Started is true. The Overflow Blog Is it command line based accepting input on stdin? Do you just want to start it with some switches? Or then he can change his downvote to an upvote. exe file to finish, which is a important step thus that process creates the input for the next stage. However, I need to wait until it finishes (outputs two text files) before I can continue. I am going to run internal company commandline tool. Is there any re Jump to content. dproj (Release Win32), please wait MSBUILD "C:\Development\delphi-ci-test\source\client\DelphiCITest. Shellexecute and Wait and keep console-window open? 1. It includes designtime and runtime packages for Replace 'your_command_here' with the command you want to execute in the command prompt. ToArray()); /* Process tasksList. exe command. It is a versatile function that serves several purposes: Launching Applications: It can be used to start any applications. It is configurable and can wait until calling process finishes or return immediately. exe REM For the OP's original problem, put drvinst. Create( procedure var tasks : TArray<task>; begin // synchronized action to the main thread // before the work begins TThread. Result */ ? /wait switch will not help here, some polling for if particular instance is still running maybe. The file simply hasn't been created yet. // wait process termination with a maximum of 0,1s before the // application can No, not going to run OpenSSL, Have used this code with OpenSSL previously. You can use I am fairly new to using C but basically, I want to execute the following line: However, I want the rest of my c program to keep running instead of waiting for the command to finish executing (the python app is on an infinite loop so it wont close automatically). exe', PChar('/c command to do '), nil, SW_show); I want to run more than one command in the same execution, for example /c command1 command2 command3 I already made a bat file to run some commands. Very much recommended. Delphi ShellExecute not working in Windows 7. exe command line compiler directly as Andreas suggests. 255] of Char; WorkDir: string; StartupInfo: Looking to run a CMD command in Delphi? Discover the step-by-step process and essential tips to effectively execute CMD commands in Delphi with this comprehensive guide. Edit: You could also try with "%*" instead of "%1" in the registry key, as detailed in the "Old New Thing" comment the answer by gabr mentioned. It is possible to perform some of your tasks without invoking cmd but not all. WMIC Waiting until a process created by calling a batch file has completed. Yield while waiting for the thread to start, because this You can pass a parameter from Command Prompt in Windows or from the development environment in Delphi, under the Run > Parameters menu option. exe to make it close once the command has completed. } function OpenCmdLine(const CmdLine: string; WindowState: Word): Boolean; Try passing the executable's directory in the lpDirectory parameter to ShellExecute. runas /env /user:Administrator cmd. As David stated, the best option is to move the work into a separate thread and stop blocking the main thread altogether. Run srtCmd1, 1, True objShell. 4. e. Command Line - Wait for a Process to Finish. exe param1 param2 With this call we pass two parameters to the program "MyApplication. on the line - ErrorCode = wsh. subprocess. Programming tips, downloads, forums, news, topsites, { Execute a complete shell command line and waits until terminated. ShellExecute doesn't wait for the invoked program to finish running. Alternative 2: ShellExecute This allows me to run my GUI app from a command prompt and display output to the same console where my app was launched. Run the program and wait for it to terminate before you check for the output file. To convert a command-line string to Parameters you can use the appropriatelly I need to execute a 'DOS' program (console app) and to retrieve its output dynamically (it will be also nice to be able to end the DOS program whenever I want because the DOS program may run for hours). In reading entries about Delphi's Sleep() method on . Or just use subprocess. Sending cmd commands and reading results in C#. How can I launch Delphi 7 from an EXE file written in Delphi XE? 0. , PChar(CmdLine), { pointer to command line string } nil Command Line - Wait for a Process to Finish. EDIT1: Ah yes, if it wasn't obvious - it's a graphics application, not console, so slapping a "readln" won't work (sadly). Then only problem is, you can not give the necessary input by parameters. The output of the command will be stored in the Memo1 component. txt Run linux command line utility from delphi app and capture output. Which does some file processing, and I have x number of files, which I would like to run in parallel. However, I want the commands to execute completely before the next command line is taken. The scripts ask for some data along the way. Use CreateProcess to execute the other process, but pass a handle to a file as the stdout handle for the new process. while not Thread. Result := True; end; function WaitExec(const CmdLine:AnsiString;const DisplayMode:Integer):Integer; {Execute an app, wait for it to terminate then return exit code. Currently it is totally OK; parallel running would be faster. exe to run commands (see the documentation). That function, and its infinitely more usable friend ShellExecuteEx are designed to perform a wide range of shell operations on files. That is trivially easy using the API provided by the operating system. Enabled := False; end); // creation of the tasks doing the I'm trying execute more commands on my Linux server. You switched accounts on another tab or window. exe then determines that it needs to start the 64 bit version of mstsc. ShellExecute(Application. exe (VCL Forms project above we should use START /WAIT project. This is what I have done so far: m_command = new Process(); Skip to main How to execute a command via command-line and wait for it to be done. bat-file B (which was in turn called from A), and C stays open after B finishes (say C is a service or something that just waits for things to happen and doesn't have a fixed endpoint until the OS shuts down), the parent A which contained the call procedure TPost_Install. I. You're probably checking for the file too soon. Quite obvious. sh after the last command of st_new. But it is also possible to pass Updated: This question might be identical to How do I run a command-line program in Delphi?. I am trying to use cmd from Delphi to apply some commands. exe thrddemo. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with ShellExecute returns as soon as the process is created. All that ShellExecuteEx is doing here is calling CreateProcess. ), and form will not show until StartLoop will end. Thank you very much in advance. I have used the below code and which is working. In fact, you can use the second parameter even for just executing a program with no command line. @ECHO OFF notepad. exe', '/c copy c:\1. The command argument is passed to the shell and executed, using the C library’s system call. C:\> myFormApp. All about Borland Delphi. ShellExecute(Form1. exe instead of notepad. You can also use the batch file Exit command to self-dismiss (so you wouldn't need AHK to close the window). In Delphi, every form or graphic controls have Canvas property which function execWait( strFile, strPath, strOpts : String ) : Boolean; { ----- Executes an external program and waits for it to exit. mp4 I can see how much in % is done. wait for process to end in windows batch file. The Delphi programming language provides a quick way to write, compile, package, and deploy applications cross-platform. txt c:\2. Make command This command main purpose is scheduling but you can use it to start another command without waiting. I found one possible way by windows API functions, but I don't understand the lots of parameters and I hope there is some easy way to solve the problem. Delphi Executing For exe files, I suppose the differences are nearly unimportant. For instance del is a built in command of the cmd interpreter and therefore needs to be interpreted by cmd. If you can't do it - then something is wrong with your enviroment. exe (here and below) :waitloop TASKLIST cmd. You also don't want to use exit there as it will kill your interactive console Yes. The three last arguments In other words, i need the Shell command first to WAIT until the executable finishes its task, exports the data, and THEN do the next commands to format. Function vFn_Sys_Run_CommandOutput (Command, Wait, Show, OutToFile, DeleteOutput, NoQuotes) 'Run Command similar to the command prompt, for Wait use 1 or 0. to create a copy of c:\1. (The shell is sh on Unix systems, and cmd. exe parameter1 paramater2 start /wait program2. However, it is not very flexible. exe file and call a powershell file to simulate the "enter key" press, so far so good, it opens the tools and it starts to run run it, however what happens is that command line executes the next stage without waiting for the . While you may be right about the help indicating command line options for the IDE, you would probably be much better changing your script to use the dcc32. Commented Jun 7, 2016 at 21:29 +1 Nice! I used this for a desc table_name; command and was getting unknown command errors, but removed the quotes and it worked. Delphi has always been inexplicably poor for calling external command line programs; FreePascal is actually much better at it (as is most everything else). exe so you should add that to the command line. dpr the application is built on the command line. Wait before ShellExecute is carried out? 0 Delphi Get return value when running a DOS command using ShellExec. exe" and we are passing the parameters "param1" and "param2" to the program. use shell execute to run cmd as Admin. cfg file but I would like to set the build configuration I've prepared in my project. To do this, Prevent waiting for command line output. For the command interpreter option you would have a command line like this: cmd /c Openfiles. However when I run this code in Delphi I get the command window popping up but the command I want to execute You need to specify the /c or /k command line parameter when invoking cmd. If I run 3 shell. A & B → execute command A, then execute command B. I have tried to change the StdOutPipeWrite, however, the CreateProcess seems to not allow commands after the initial command from CreateProcess to be passed through. My problem was the commands weren't running - the line numbers just kept incrementing! Now I know how to get them to run -- just add a semi-colon! Thanks! – vapcguy. PIPE, stderr=asyncio. Some of the answers fit what I'm looking for, although the title and question itself is not identical. Hello, I need to build an application that will run cmd application and capture all the output into TMemo. In my program I check for a registry key at startup and if somehow it does not exist I execute the reg file located in the application folder wit the help of Delphi Executing command line command. This is the standard code every Delphi user seems to use to do what you want (because only @Remy Lebeau and @David Heffernan understand it): I have VCL application written in Delphi XE2 that needs to execute a command-line program (also written in Delphi XE2) and obtain the text output by it. 0. Note: Make sure to set the WaitOnExit property to True if you want to wait for the command to finish before proceeding with the code execution. Command Command Line. When I tried to run this from Delphi using CreateProcess and CreatePipe I got nothing until the file is packed. One exception to this rule is external Windows subsystem based EXE. But, if you must block the main thread, then at the very least you should only call ProcessMessages() when there really are messages waiting to be processed, and let the thread sleep the rest of the time. If this doens't work, experiment with leaving the cmd /K away. ) If wait is present and has the value false, the execution of the command is asynchronous if the system supports it; otherwise, the command is executed synchronously. exe. Execute will never be called. It is tempting to do so because it is simple to call. msi” srtCmd2 = "msiexec. and some compilers and linker) in my project. dproj" /t:Build /p how to run code at build time and capture the result as a In order to execute a command and have it not hang your PHP script while it runs, the program you run must not output back to PHP. A | B → execute command A, and redirect all it's output into the input of command B. Edit: Rephrased. For example, AutoIt can run a program, wait for that program's window to finish loading, then simulate a button click in that window. Here is how process start info is set. This is a source-only release of TurboPack DOSCommand. I need to call ShellExecute first, then wait until the calling application closes itself completely, then execute the shell (i. I would like to run something like I've often usd the Shell command and 'waited' for it to finish using this technique:- Let lngPID = Shell(strExecutable, vbNormalFocus) Let lngPID = OpenProcess(SYNCHRONIZE, False, lngPID) Do Let lngReturn = WaitForSingleObject(lngPID, 0) DoEvents Loop While lngReturn <> 0 but now I want to do something similar except I want to use the default "help start" on the command line will tell you what /WAIT does: "Start application and wait for it to terminate. -Tee- My commands execute correctly, but the problem is that Parse logs code doesnt wait for cmd1 and cmd2 execution to complete. 2 ShellExecute print Find answers to Using ShellExecute to call command line executable with parameter from the expert community at I am trying to dump a PDF to text using a command line utility (It works with tests from dos command line) from my delphi code. Now there is a special command which messes this up: & cmd & means: "Start a new background process and execute cmd in it. – Is it possible to start the execution of a command and not wait for it to return before continuing. I am currently using the following code, which is based on that found here: Getting output from a shell/dos app into a Delphi app TurboPack DOSCommand component is open-source and free to utilize in Delphi and C++ Builder Win32-Win64 environments. Note: Make sure to set { Wait for it to finish. Make command wait for confirmation before running next line in batch file. For your own project you may need to add some switches to include file directories, output directories, defines or similar things. You don't need the /wait in the second line unless there are more commands to follow. exe and press enter, a form will display and command prompt moves to next line immediately. open second Now I wish to run a command-line tool that receives some arguments, and to run in the background (as hidden, not minimized) and let it block my program flow, so that i'll be able to wait for it to finish. stdout: might delay the output of a line due to read-ahead. If you use appname - then you must specify "notepad. exe to execute copy nil, SW_SHOWNORMAL); Should you need to wait for the a) just start a executeable like . the problem: I want to create a batchfile that executes other scripts. py', How to execute a command via command-line and wait for it to be done. I cannot call exit and process. 2. Which going to work. Then enumerate child windows, then when you have handles, you can do everything: set text, click buttons, etc. You want to execute a different executable so do that directly. exe example. waitforexit because, after parsing the logs, I have more commands to execute. How to i alter the command-line of: ShellExecute(NULL,"open",FULL_PATH_TO_CMD_LINE_TOOL,ARGUMENTS,NULL,SW_HIDE); How can I execute an external program from a Linux console application created in Delphi 10. Run srtCmd2, 1, True objShell. It then uses WaitForSingleObject to pause the Delphi Delphi/C++Builder. The problem is that the first command takes about 2 minutes to end, and the 2nd command won't "wait" for the first one to end. The problem is this: I can't see the changes in the output file! The line written in the console is from the previous file, not the newly changes one. exe | Out-Null PowerShell will wait until the Notepad. } if Result then WaitForSingleObject(ProcInfo. Run srtCmd3, 1, True I'm trying execute more commands on my Linux server. Is there any way to do this using C/C++? Update: the solution was: In other words, i need the Shell command first to WAIT until the executable finishes its task, exports the data, and THEN do the next commands to format. This works even in x64 Win7. OkClick(Sender: TObject); begin ShowMessage('Post-Installation will install your selected applications); My problem is here--> How to call a file and execute it or execute a command ??? So if I use the -wait parameter, the script never stops even after setup. I use following code . commands /usr/sbin/thing. PIPE) # do something else while ls is working # if proc takes very In one of the stages basically I open an . Is there a way to run them asynchronously at the same time (which above does) and wait for them both to finish to perform other actions - something like C# . Use the Windows Start button to launch Embarcadero RAD Studio XE2->RAD Studio Command Prompt, which sets up the proper environmental variables and search path entries. If you call the program from the command line, you can simply pass the parameters after the call of the program, for example: C:\Delphi>MyApplication. exe is no longer running. exe" (there still can be just "notepad" in command line though). } function ExecCmdLineAndWait(const CmdLine: { Execute a complete shell command line without waiting. Win32-based) from a command prompt. txt file before running this command. PHP Exec: Without Waiting, Without Discarding the Output, Without nohup. How do I execute a command-line program from C# and get back the STD OUT results? Specifically, I want to execute DIFF on two files that are programmatically selected and write the results to a text box. Output returned and 'stored in a file. A && B → execute command A, evaluate the errorlevel after running Command A, and if the exit code (errorlevel I want to run a batch that closes the browser after exit from example. WaitForExit(); // Read the output Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company StartLoop will be called inside FormCreate, and FormCreate will be waiting, and block further execution not only the of FormCreate itself, but also further procedures executing after it (FormShow, etc. } function Execute CMD command-line programs with Delphi and DOSCommand. The closest I've found is using this: saps -FilePath "Path\config. If you wish to wait for the process to complete, you need to take specific steps to do so. In Delphi, we draw shapes on canvas of a form or graphic controls. nimizen: That code isn't going to work. until MsgWaitForMultipleObjects(1, hProcess, false, INFINITE, QS_ALLINPUT) <> WAIT_OBJECT_0 + 1; CloseHandle(hProcess); end; end; procedure TForm1 Delphi Executing command line command. for line in p. For example, you can use it to open Notepad, launch a web browser, or execute any executable file. Up until now, I had used the pause command to execute it after some of the other start-ups finished. exe for the called As already explained you must wait for the thread until it has started before calling Terminate otherwise TThread. 1. When requiring a command –line program in your Application, setting up ‘createprocess ‘ and pipes is not that difficult. In any case, ShellExecute is the wrong function to use here. exe for automated builds for many versions of Delphi. 45 Getting output from a shell/dos app into a Delphi app. Of course, you don't need to get cmd to execute del in order to delete a file. After starting the background process, immediately continue with the next command in the script. hProcess, INFINITE); end; { Execute a complete shell command line and waits until terminated. txt The code might be In fact, if you include a command line in that parameter, CreateProcess will do nothing. If you get blocking in your calling code then your problem is that no reference is kept to the IAsyncCall interface pointer that the function returned. DOSCommand component can also send inputs to DOS programs, and you can get the output line by line. It also supports Delphi from version 5 onwards. CreateObject("WScript. [If you downvote and wait for five minutes, the downvote gets 'locked in' and you cannot remove it or change it to How to run command line from Delphi? 1. zydn oghz zxdbjvb vejiqju suyt rzrp yuqf bzlqsm ghbjzy satahe