Java exec execute(String... command)

Description

Execute a system command and return the output in a String array.

License

Apache License

Parameter

Parameter	Description
command	the system command and arguments

Exception

Parameter	Description
Exception	if the command fails to execute.

Return

the system command output

Declaration

public static Collection<String> execute(String... command)
        throws Exception 

Method Source Code

//package com.java2s;
/*//from w ww .  j  a v  a2 s  . c  o m
 * Copyright 2016 Key Bridge LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.ArrayList;
import java.util.Collection;

public class Main {
    /**
     * Execute a system command and return the output in a String array.
     *
     * @param command the system command and arguments
     * @return the system command output
     * @throws Exception if the command fails to execute.
     */
    public static Collection<String> execute(String... command)
            throws Exception {
        Process p = Runtime.getRuntime().exec(command);
        Collection<String> output = new ArrayList<>();
        try (BufferedReader input = new BufferedReader(
                new InputStreamReader(p.getInputStream()))) {
            String line;
            while ((line = input.readLine()) != null) {
                output.add(line.trim());
            }
        }
        return output;
    }
}

Related

1. execute(String command)
2. execute(String command)
3. execute(String command, Process p, String[] output, boolean cmdStatus)
4. execute(String url)
5. execute(String... cmdarray)
6. execute(String... commands)
7. execute(String[] _command, String _workingDir)
8. execute(String[] command, File directory, String[] env)
9. execute(String[] commandArray)