39 lines
1.2 KiB
Java
39 lines
1.2 KiB
Java
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//: net/mindview/util/OSExecute.java
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// Run an operating system command
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// and send the output to the console.
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package net.mindview.util;
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import java.io.*;
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public class OSExecute {
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public static void command(String command) {
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boolean err = false;
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try {
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Process process =
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new ProcessBuilder(command.split(" ")).start();
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BufferedReader results = new BufferedReader(
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new InputStreamReader(process.getInputStream()));
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String s;
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while((s = results.readLine())!= null)
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System.out.println(s);
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BufferedReader errors = new BufferedReader(
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new InputStreamReader(process.getErrorStream()));
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// Report errors and return nonzero value
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// to calling process if there are problems:
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while((s = errors.readLine())!= null) {
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System.err.println(s);
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err = true;
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}
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} catch(Exception e) {
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// Compensate for Windows 2000, which throws an
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// exception for the default command line:
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if(!command.startsWith("CMD /C"))
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command("CMD /C " + command);
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else
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throw new RuntimeException(e);
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}
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if(err)
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throw new OSExecuteException("Errors executing " +
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command);
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}
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} ///:~
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