Java exec executeShellCommand(String command, File dir)

Description

Run a shell command in the specified directory.

License

Open Source License

Parameter

Parameter	Description
command	command to be run
dir	the directory to run the command in. If dir is null, runs it in the current directory of the process.

Return

output of the command

Declaration

public static String executeShellCommand(String command, File dir) 

Method Source Code

//package com.java2s;
import java.io.BufferedReader;
import java.io.File;

import java.io.InputStreamReader;

public class Main {
    /**/*from   w w w  . j  a va 2  s  .  c o  m*/
     * Run a shell command in the specified directory.  
     * @param command command to be run
     * @param dir the directory to run the command in. If dir is null, runs it in the current directory of the process.
     * @return output of the command
     */
    public static String executeShellCommand(String command, File dir) {

        StringBuffer output = new StringBuffer();
        System.out.println("Shell command:" + command);

        Process p;
        try {
            p = Runtime.getRuntime().exec(command, null, dir);
            p.waitFor();
            BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));

            String line = "";
            while ((line = reader.readLine()) != null) {
                output.append(line + "\n");
            }

        } catch (Exception e) {
            e.printStackTrace();
        }

        return output.toString();

    }
}

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3. executeShellCmdAndReturn(String cmd)
4. executeShellCommand(String command)
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