41 lines
885 B
Java
41 lines
885 B
Java
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// Create a process and read from its standard error.
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import java.io.BufferedReader;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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public class Process_2
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{
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public static void main(String[] args)
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{
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try
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{
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Runtime r = Runtime.getRuntime();
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String s = "Hello World";
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String[] a = { "sh", "-c", "echo " + s + " >&2" };
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Process p = r.exec(a);
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InputStream is = p.getErrorStream();
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InputStreamReader isr = new InputStreamReader(is);
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BufferedReader br = new BufferedReader(isr);
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String result = br.readLine();
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if (! s.equals(result))
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{
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System.out.println("bad 1");
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return;
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}
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result = br.readLine();
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if (result != null)
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{
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System.out.println("bad 2");
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return;
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}
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int c = p.waitFor();
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System.out.println(c == 0 ? "ok" : "bad 3");
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}
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catch (Exception ex)
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{
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System.out.println(ex.toString());
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}
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}
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}
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