🚀 go-pugleaf

Kevin,
	The process you start with 'runtime.exec(init)' is expecting to read a
command from standard input is it?

That is, if I type at a shell:
>begin_command
second_command

Then begin_command will read second_command and do whatever it is you
want it to do?

Tom

Kevin wrote:
> 
> Hi,
> It's there again! I try to run a external process writen by C, so I use
> Runtime() and get its getInputStream().... The first time when I put the
> "begin_command" I really get the result from vprocess, and I hope the
> vprocess would wait for the "second_command" then continue to finish its
> process. I write the code below:
> 
> String init = begin_command;
> try
> 
>     Runtime runtime = Runtime.getRuntime();
>     Process vprocess = runtime.exec(init);
>     is = new DataInputStream(vprocess.getInputStream());
>     br = new BufferedReader(new InputStreamReader(is));
>     os = new DataOutputStream(vprocess.getOutputStream());
>     pr = new PrintWriter(new OutputStreamWriter(os),true);
> } catch (IOException e) {}
> 
> public void do()
>     String readin;
>     try
> 
>         pr.write(second_command);
>         while((readin = br.readLine()) != null)
> 
>             System.out.println(readin);
>         }
>     } catch (IOException e) {}
> }
> 
> But I found "second_command" cannot be accept by vprocess, so I got nothing.
> Where's wrong and how can I do?
> Thanks advance!