Hello,
(For anyone confused about this question, it's about the Windows
release of Sage).
The command you're trying to run is not going to work. I can see you
probably copied it from the desktop shortcut that launches Sage in a
terminal Window. mintty.exe is the terminal emulator that comes with
Cygwin and that's used in the Windows version of Sage to provide a
UNIX-like shell terminal. It has nothing to do with Sage itself which
runs in a Python interpreter. If you want to control a Sage
interpreter as an interactive process, you only need to run the Python
interpreter directly, possibly with some appropriate environment
variables set.
However I must ask, what is it you are *actually* trying to build?
Wrapping an interactive session with a Python interpreter is likely
not the most effective way to get data in, and especially out.
On Tue, Oct 5, 2021 at 6:15 PM meryem afendi <meryemafen...@gmail.com> wrote:
>
> Hello everyone,
> I tried to call SageMath from a java program using the Class ProcessBuilder.
> This code success to launch SageMath but when i want to use the InputStream
> to interact with Sage (For example a simple code 1+2) it does not work.
> iSageMath runs without sending the result of 1+2.
> Thank you.
>
> ProcessBuilder pb = new
> ProcessBuilder("C:\\Users\\Meryem\\AppData\\Local\\SageMath
> 9.2\\runtime\\bin\\mintty.exe", "-t","SageMath 9.2 Console", "-i",
> "sagemath.ico", "/bin/bash", "--login", "-c", "/opt/sagemath-9.2/sage");
> try
> {
>
> Process p = pb.start();
> OutputStream stdin = p.getOutputStream();
> InputStream stdout = p.getInputStream();
> //InputStream stderr = p.getErrorStream();
>
>
> BufferedReader reader = new BufferedReader(new
> InputStreamReader(stdout));
> BufferedWriter writer = new BufferedWriter(new
> OutputStreamWriter(stdin));
>
> writer.write("1+2" + "\n");
> writer.flush();
> writer.close();
> String line;
> while ((line = reader.readLine()) != null) {
> System.out.println(line);
> }
> p.waitFor();
> p.destroy();
>
> } catch (IOException e) {
> System.out.println("I/O error:" + e.getMessage());
> } catch (Exception e) {
> System.out.println("Error:" + e.getMessage());
> }
> return null;
> }
>
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