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put the Dos 's command into java program?

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Join Date: Oct 2004

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Re: put the Dos 's command into java program?

#11

Jul 23rd, 2005

It's not Windows-only, you could use System.getProperty("os.name") and a switch block to come up with something equivalent for each OS.

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Re: put the Dos 's command into java program?

#12

Jul 23rd, 2005

Sorry mmiikkee i wasn't refering to your code, which looked nice btw, but i was refering to the name of the thread "Put the DOS commands into a java program". And yes piggy backing off shell or dos commands are handy in some situations.

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Re: put the Dos 's command into java program?

#13

Jul 23rd, 2005

BTW, I got that code off some site a while back (don't remember which one) when I was writing an app to transfer entire folders from one computer to another, for my own use (most of the details were hardcoded.) I just used xcopy.

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Re: put the Dos 's command into java program?

#14

Jul 25th, 2005

Hi everyone,

Check out this thread. It has a very good example by Cheenu

http://www.daniweb.com/techtalkforums/thread27944.html

Richard West

Microsoft uses "One World, One Web, One Program" as a slogan.
Doesn’t that sound like "Ein Volk, Ein Reich, Ein Führer" to you, too?
— Eric S. Raymond

Tell me what type of software do you like and what would you pay for it

http://www.daniweb.com/techtalkforums/thread19660.html

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Re: put the Dos 's command into java program?

#15

Jul 26th, 2007

hello..

could you please tell me how to call the function once uv compiled the 2 java files??im new to java so kindly help me out..

thanx

Last edited by cartmansp; Jul 26th, 2007 at 1:39 pm.

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Re: put the Dos 's command into java program?

#16

Jul 26th, 2007

why has noone told him yet that "the DOS command" will never be available from Java for the simple reason that Java doesn't work on DOS based machines?

As people are clearly allowed to attack me but I'm not allowed to defend myself, I no longer post to this site.

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Re: put the Dos 's command into java program?

#17

May 11th, 2009

Hi mmikkee,
I have used your code that you kindly put up and it works brilliantly when I use "ipconfig". However, I want to run a different command with arguments which runs when I navigate to the correct folder. So in the command line I run it as follows.

C:\> cd C:\Users\.....\bin.dbg
C:\Users\.....\bin.dbg>tesseract testImage.tif output

I just don't know how to get this to work using your code. I don't have much experience at all with java or command line to be honest so would greatly appreciate your help as its driving me mad!

Thanks

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Originally Posted by mmiikkee12

Just because I feel like helping:
Help with Code Tags

Java Syntax (Toggle Plain Text)
//CommandLine.java
import java.util.*;
import java.io.*;
public abstract class CommandLine
{
 public static void exec(String cmd) throws Exception
 {
  Runtime rt = Runtime.getRuntime();
  Process proc = rt.exec(cmd.toString());
  StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR");
  StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT");
  errorGobbler.start();
  outputGobbler.start();
 }
 public static void exec(String cmd, OutputStream output) throws Exception
 {
  Runtime rt = Runtime.getRuntime();
  Process proc = rt.exec(cmd.toString());
  StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR", output);
  StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT", output);
  errorGobbler.start();
  outputGobbler.start();
 }
}
//CommandLine.java import java.util.*; import java.io.*; public abstract class CommandLine { public static void exec(String cmd) throws Exception { Runtime rt = Runtime.getRuntime(); Process proc = rt.exec(cmd.toString()); StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR"); StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT"); errorGobbler.start(); outputGobbler.start(); } public static void exec(String cmd, OutputStream output) throws Exception { Runtime rt = Runtime.getRuntime(); Process proc = rt.exec(cmd.toString()); StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR", output); StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT", output); errorGobbler.start(); outputGobbler.start(); } }
Help with Code Tags

Java Syntax (Toggle Plain Text)
//StreamGobbler.java
import java.util.*;
import java.io.*;
class StreamGobbler extends Thread
{
	InputStream is;
	String type;
	OutputStream os;
 
	StreamGobbler(InputStream is, String type)
	{
		this(is, type, null);
	}
	StreamGobbler(InputStream is, String type, OutputStream redirect)
	{
		this.is = is;
		this.type = type;
		this.os = redirect;
	}
 
	public void run()
	{
		try
		{
			PrintWriter pw = null;
			if (os != null)
				pw = new PrintWriter(os);
 
			InputStreamReader isr = new InputStreamReader(is);
			BufferedReader br = new BufferedReader(isr);
			String line=null;
			while ( (line = br.readLine()) != null)
			{
				if (pw != null)
					pw.println(line);
				System.out.println(line);	
			}
			if (pw != null)
				pw.flush();
		} catch (IOException ioe)
			{
			ioe.printStackTrace();  
			}
	}
}
//StreamGobbler.java import java.util.*; import java.io.*; class StreamGobbler extends Thread { InputStream is; String type; OutputStream os; StreamGobbler(InputStream is, String type) { this(is, type, null); } StreamGobbler(InputStream is, String type, OutputStream redirect) { this.is = is; this.type = type; this.os = redirect; } public void run() { try { PrintWriter pw = null; if (os != null) pw = new PrintWriter(os); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); String line=null; while ( (line = br.readLine()) != null) { if (pw != null) pw.println(line); System.out.println(line); } if (pw != null) pw.flush(); } catch (IOException ioe) { ioe.printStackTrace(); } } }
Compile these two classes, then call
Help with Code Tags

Java Syntax (Toggle Plain Text)
CommandLine.exec("ipconfig");
CommandLine.exec("ipconfig");
Replace ipconfig with whatever command you want to execute.

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#18

Oct 15th, 2009

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Originally Posted by mmiikkee12

Replace ipconfig with whatever command you want to execute.

Is that possible to execute all the command available in cmd by a java program?
all that i know is there are .exe files corresponding to commands in windows>system32 folder, those are only executable by Runtime().exec command.what about other commands not having corresponding .exes?

Thanks.