String cast error

[Justin Whear via Digitalmars-d-learn]

On Thu, 19 Jun 2014 00:05:36 +0000, SomeRiz wrote:

> Hi.
> 
> My code running:
> 
> http://dpaste.dzfl.pl/2183586524df
> 
> Output:
> 
> SerialNumber 927160020XXXX (X = Some Numbers)
> 
> How do I delete "SerialNumber" text?
> 
> Example
> 
> string SomeRiz = system(a);
> 
> I get an error:
> 
> b.d(10): Error: cannot implicitly convert expression (system(a))
> of type int to string
> 
> Later;
> 
> string SomeRiz = cast(string)system(a);
> 
> I get an error 2:
> 
> b.d(10): Error: cannot cast system(a) of type int to string
> 
> 
> How do I delete "SerialNumber" text?
> 
> I just, want to see the numbers:
> 
> 927160020XXXX
> 
> Sorry for my bad english

The problem is that `system` returns the process exit code (an integer), 
not the output of the process.  Try using std.process.execute or 
std.process.executeShell.