How to output instructions to the command line?

Question

How can I make my java program give instructions to the command line, eg to execute programs with command line parameters?

Answer 1

How can I make my java program give instructions to the command line, eg to execute programs with command line parameters? well you can execute the instruction directly not even going(piping through) to commandline.
try{
String command = "ls"; // for windows for example String command = "notepad";
Process execCommand = Runtime.getRuntime().exec(command);
// now if you want to pass parameters along with the  command use this
String command2 ="ls /tmp" ; //respectively for windows
// if there are many arguments which needs spaces then use
String [] longCommand = new String[]{"find","whatever","path"}; // here find is the command and rest two are desired arguments.
// now if you want to read the output from command line
InputStream in = execCommand.getInputStream();
int c;
while ((c=in.read())!= -1)
// process c the way you want
} catch(IOException io)
{}Edited by: KillerDev on Nov 2, 2008 12:00 AM