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This page contains an archived post to the Java Answers Forum made prior to February 25, 2002.
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Message:
Runtime exec
Posted by Hien Tran on June 12, 2000 at 2:23 PM
From the Sun developer help site, here is the workaround suggested for spawning Win NT command prompt: p = Runtime.getRuntime().exec("cmd.exe /c cmd.exe /c runtest.bat "); I tested and it worked. Good luck ! Hien. > Hi, > I was trying to run a batch file from my program, so I did the following: > public static void main (String []args) { > /* > Threadtest t = new Threadtest(); > t.start();*/ > testrun(); > } > public static void testrun () { > BufferedReader br = null; > BufferedReader br2 = null; > Process p = null; > int status = -1; > try { > String osName = System.getProperty("os.name"); > if (osName.compareTo("Windows NT") == 0) { > //String []test = "cmd.exe", "/c", "runtest.bat"); > p = Runtime.getRuntime().exec("cmd.exe /c runtest.bat "); > } > br = new BufferedReader(new InputStreamReader(p.getErrorStream())); > String s; > while ((s = br.readLine())!= null) { > System.out.println(s); > } > br2 = new BufferedReader(new InputStreamReader(p.getInputStream())); > while ((s = br2.readLine())!= null) { > System.out.println(s); > } > br.close(); > br2.close(); > }catch (IOException ioex) {ioex.printStackTrace();} > //return 0; > } > Now, this starts the dos prompt, and then the program waits on it. > It only continues after I kill the dos prompt. Is there any way that I can start the process and then forget about it? > I dont want to have any control after spawning off the process. > Could anyone help me with this problem? > Thanks > Sasipriya
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