I am new to D.

Can you please tell, how to call external program in D.

Example: in C, one can do this: http://stackoverflow.com/questions/43116/how-can-i-run-an-external-program-from-c-and-parse-its-output


I want to call an external program (e.g. ls or date) in D.


Thanks

On Friday, 16 November 2012 at 19:15:09 UTC, Sparsh Mittal wrote:
> I want to call an external program (e.g. ls or date) in D.

This function should do for many tasks:


http://dlang.org/phobos/std_process.html#shell

string shell(string cmd);
    Runs cmd in a shell and returns its standard output. If the process could not be started or exits with an error code, throws an exception.

Or maybe this one:
http://dlang.org/phobos/std_stdio.html#popen

(also search that page for the other popen, which calls the C function without the need for a File struct)

Generally, anything you can do in C, you can also do in D by calling the C functions directly.

Thanks a lot, it was very helpful.

Le 16/11/2012 20:15, Sparsh Mittal a écrit :
> I am new to D.
>
> Can you please tell, how to call external program in D.
>
> Example: in C, one can do this:
> http://stackoverflow.com/questions/43116/how-can-i-run-an-external-program-from-c-and-parse-its-output
>
>
>
> I want to call an external program (e.g. ls or date) in D.
>
>
> Thanks

This is out of subject but for ls and date, you might want to get the informations directly in D.
See
 - http://dlang.org/phobos/std_date.html
 - http://dlang.org/phobos/std_datetime.html

 - http://dlang.org/phobos/std_file.html#dirEntries