Execute external program/command and capture output

[softtouch 9]

I need to execute external programs like youtube-dl, ffmpeg etc. and also execute chmod and such on macOS. I kept searching for days and days and did not find any working example.

Is there anything similar TDosCommand, but for firemonkey?

[Lars Fosdal 1792]

https://www.fmxexpress.com/read-and-interact-with-a-command-line-pipe-in-delphi-xe7-firemonkey-on-mac-osx/

 

NVM: Dead link inside article 😕

[Joseph MItzen 251]

Delphi has always been inexplicably poor for calling external command line programs; FreePascal is actually much better at it (as is most everything else).

 

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):

 

https://stackoverflow.com/questions/9119999/getting-output-from-a-shell-dos-app-into-a-delphi-app

 

 

 

[softtouch 9]

35 minutes ago, Joseph MItzen said:

Delphi has always been inexplicably poor for calling external command line programs; FreePascal is actually much better at it (as is most everything else).

 

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):

 

https://stackoverflow.com/questions/9119999/getting-output-from-a-shell-dos-app-into-a-delphi-app

 

 

 

Thanks, but thats unfortunately for Windows only, I need something like that for macOS/Firemonkey and just cant find anything that actually works properly.

[KenR 29]

Dues this work?

 

https://stackoverflow.com/questions/25654425/run-a-terminal-command-with-delphi-xe7-fmx

[softtouch 9]

4 hours ago, KenR said:

Dues this work?

 

https://stackoverflow.com/questions/25654425/run-a-terminal-command-with-delphi-xe7-fmx

Unfortunately, no, that does not allow me to capture the output of the external program.

[KenR 29]

Or this https://stackoverflow.com/questions/43020737/delphi-capture-osx-console-output

[softtouch 9]

2 hours ago, KenR said:

Or this https://stackoverflow.com/questions/43020737/delphi-capture-osx-console-output

Thats the code I already tried, but it hangs sometimes and is not reliable.

[mewindy 0]

for MACOS

I use

procedure TForm1.Exec(FileName: PWideChar);
var
  Workspace: NSWorkspace;
  NSApp: NSApplication;
  Nw: NSWindow;
begin

  if fileexists(FileName) then
  begin

    Workspace := TNSWorkspace.Create;

    Workspace.launchApplication(NSSTR(FileName));
    Workspace.release;
  end;

end;

 

and in the uses:

Macapi.Foundation, Macapi.ObjectiveC, Macapi.Helpers, Macapi.AppKit

 

to execute another program

 

or

use

_system(PAnsiChar(p_cmd));

to execute a command (e.g terminal command)

where p_cmd is string e,g '/usr/local/bin/curl "mycommandhere"

Edited September 4, 2022 by mewindy

[limelect 48]

This is what I did with Delphi for youtube-dl, ffmpeg

https://limelect.com/downloads/youtube_downloader_shell/

is this what you are trying to achieve?

Myne is only window and VCL

 

 

Edited September 4, 2022 by limelect

[Dave Nottage 557]

On 9/2/2022 at 7:01 PM, softtouch said:

Is there anything similar TDosCommand, but for firemonkey?

I don't have any concrete examples as yet, however there is this: https://github.com/DelphiWorlds/Kastri/blob/master/Core/DW.RunProcess.Mac.pas