[fpc-pascal] Re: TProcess questions

[Alexander Todorov]

Marco van de Voort wrote:

> > Can you add the following to TProcess instead of using the CommandLine property:
> > example:
> > property ProcessName: String - the process to be executed
> > property Params : TStringList - list of command line params to be
> > passed to the process
> >
> > Why should quote characters be stripped as it is in the current
> > implementation?
>
> When executing, there is a difference between shell notation and the
> programming interface.
>
> e.g.
>
> program name parammeter 1 parameter 2 parameter 3
>
> should be written on the cmdline as
>
> "program name" "parameter 1" "parameter 2"  "parameter 3"
>
> But should be passed to a kernel function as:
> filename:='/full/path/to/program name';  // no quotes;
> param[0]:='parameter 1';                 // no quotes;
> param[1]:='parameter 2';                 // no quotes;
> param[2]:='parameter 3';                 // no quotes;
>
> This is the difference between shell api and deeper api. E.g
>
>         shell                   deeper
> Unix:  (fp)system()              (fp)exec*
> winxx:  shellexecute            createprocess
>
> Another usual difference between these two is that the shell versions search
> for the binary, while you need to pass full path to the "deeper" category of
> functions.

Thanks for the explanation.