content: package net.sf.expectit;
  
  /*
   * #%L
   * ExpectIt
   * %%
   * Copyright (C) 2014 Alexey Gavrilov and contributors
   * %%
   * 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.
   * #L%
   */
  
  import static net.sf.expectit.matcher.Matchers.contains;
  import static net.sf.expectit.matcher.Matchers.eof;
  import static net.sf.expectit.matcher.Matchers.regexp;
  
  import java.io.IOException;
  import java.util.concurrent.TimeUnit;
  
  /**
   * A process example.
   */
  public class ProcessExample {
      public static void main(String[] args) throws IOException, InterruptedException {
          Process process = Runtime.getRuntime().exec("/bin/sh");
  
          Expect expect = new ExpectBuilder()
                  .withInputs(process.getInputStream())
                  .withOutput(process.getOutputStream())
                  .withTimeout(1, TimeUnit.SECONDS)
                  .withEchoInput(System.out)
                  .withEchoOutput(System.err)
                  .withExceptionOnFailure()
                  .build();
          System.out.println("PWD:" + expect.sendLine("pwd").expect(contains("\n")).getBefore());
          // try-with-resources is omitted for simplicity
          expect.sendLine("ls -lh");
          // capture the total
          String total = expect.expect(regexp("^total (.*)")).group(1);
          System.out.println("Size: " + total);
          // capture file list
          String list = expect.expect(regexp("\n$")).getBefore();
          // print the result
          System.out.println("List: " + list);
          expect.sendLine("exit");
          // expect the process to finish
          expect.expect(eof());
          // finally is omitted
          process.waitFor();
          expect.close();
      }
  
  }
  