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Bash script example for running java classes on mac

#Bash script example for running java classes on mac how to#
#Bash script example for running java classes on mac software#
#Bash script example for running java classes on mac code#

$0 expands to the name of the shell script, and expands to the positional parameters.

The #! in the first line is the usual way to start a Unix shell script.

Regarding the first three lines of a shell script:

#Bash script example for running java classes on mac code#

To test this, save the code to a file named hello.sh, make it executable, and then run it:Īs detailed in the next recipe, command-line parameters to the script can be accessed via an args array, which is implicitly made available to you: Save your Scala code to a text file, making sure the first three lines of the script contain the lines shown, which will execute the script using the scala interpreter: You want to use Scala as a scripting language on Unix systems, replacing other scripts you’ve written in a Unix shell (Bourne Shell, Bash), Perl, PHP, Ruby, etc. This is Recipe 14.10, “How to use Scala as a scripting language.” Problem This is an excerpt from the Scala Cookbook (partially modified for the internet).

show more info on classes/objects in repl.

I got error like this while executing your program.Ĭom.: : Connection refusedĬaused by: : Connection refusedĪt (Native Method)Īt .createSocket(Util. cp:pCLASSPATH: Prepend the JARs and directories in. Please suggest any solution:Ĭom.: : Connection refused: connectĪt .createSocket(Util.java:349)Īt .connect(Session.java:215)Īt .connect(Session.java:183)Īt (SSHCommandExecutor.java:29)Ĭaused by: : Connection refused: connectĪt 0(Native Method)Īt (DualStackPlainSocketImpl.java:79)Īt (AbstractPlainSocketImpl.java:339)Īt (AbstractPlainSocketImpl.java:200)Īt (AbstractPlainSocketImpl.java:182)Īt (PlainSocketImpl.java:172)Īt (SocksSocketImpl.java:392)Īt (Socket.java:579)Īt (Socket.java:528)Īt .createSocket(Util.java:343) This is the recommended way to add additional Java classes to JMRI. : session is downĪt (Assert.java:94)Īt .testApplication(ApplicationCommonTest.java:382)Īt .testAWSApplications(ApplicationsTest.java:185)Īt 0(Native Method)Īt (NativeMethodAccessorImpl.java:57)Īt (DelegatingMethodAccessorImpl.java:43)Īt .invoke(Method.java:606)Īt .invokeMethod(MethodInvocationHelper.java:84)Īt .runOne(InvokeMethodRunnable.java:46)Īt .run(InvokeMethodRunnable.java:37)Īt $RunnableAdapter.call(Executors.java:471)Īt .run(FutureTask.java:262)Īt .runWorker(ThreadPoolExecutor.java:1145)Īt $n(ThreadPoolExecutor.java:615) Getting below error if i fetch command to execute: I am trying to connect to ubuntu blueprint. ("exit-status: "+channel.getExitStatus()) ((ChannelExec)channel).setErrStream(System.err) Note: In the last step you have to mention the path of the script if your script is in other directory.

#Bash script example for running java classes on mac software#

Make the script executable with command chmod +x < fileName >. Oracle has various bundled Java packages available for download: Java Standard Edition (SE), Java Runtime Environment (JRE), Software Development Kit (SDK), EE (Enterprise Edition), JavaFX, Netbeans (IDE) or just the bundle: Java SE and JDK development kit, used in this example.

Write the script in the file using an editor. ((ChannelExec)channel).setCommand(command1) Go to the directory where you want to create your script. Session session=jsch.getSession(user, host, 22) Ĭhannel channel=session.openChannel("exec") config = new () Ĭonfig.put("StrictHostKe圜hecking", "no")

For a light-hearted essasy on the command line, you might enjoy Neal Stephensons light-hearted essay In the Beginning was the Command Line.

#Bash script example for running java classes on mac how to#

The second and more customizable way, will be to create and use a ProcessBuilder instance. Java and the Linux Command Line This document instructs you on how to use the Linux shell with Java. The first is to use the Runtime class and call its exec method.

Below is a simple JSch example program to run the “ls -ltr” command on the server. With this tutorial we'll illustrate the two ways of executing a shell command from within Java code. java -D .Main -c -f -p -o .