40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
//: com/mindviewinc/util/OSExecute.java
|
|
// ©2015 MindView LLC: see Copyright.txt
|
|
// Run an operating system command
|
|
// and send the output to the console.
|
|
package com.mindviewinc.util;
|
|
import java.io.*;
|
|
|
|
public class OSExecute {
|
|
public static void command(String command) {
|
|
boolean err = false;
|
|
try {
|
|
Process process =
|
|
new ProcessBuilder(command.split(" ")).start();
|
|
BufferedReader results = new BufferedReader(
|
|
new InputStreamReader(process.getInputStream()));
|
|
String s;
|
|
while((s = results.readLine())!= null)
|
|
System.out.println(s);
|
|
BufferedReader errors = new BufferedReader(
|
|
new InputStreamReader(process.getErrorStream()));
|
|
// Report errors and return nonzero value
|
|
// to calling process if there are problems:
|
|
while((s = errors.readLine())!= null) {
|
|
System.err.println(s);
|
|
err = true;
|
|
}
|
|
} catch(Exception e) {
|
|
// Compensate for Windows 2000, which throws an
|
|
// exception for the default command line:
|
|
if(!command.startsWith("CMD /C"))
|
|
command("CMD /C " + command);
|
|
else
|
|
throw new RuntimeException(e);
|
|
}
|
|
if(err)
|
|
throw new OSExecuteException("Errors executing " +
|
|
command);
|
|
}
|
|
} ///:~
|