Run Ruby Script From Command Line

Once you are in the correct current folder you can run the script like this script1 sh.

Run ruby script from command line.

Go to ruby installer in your web browser. The following instructions have been tested with windows 8 and 8 1. A list of rubyinstallers appears. Professionals locate the sh file by typing ls and cd.

The following example shows the proper syntax to use to launch the test rb ruby script from a command line with the arguments test1 and test2. To run the test rb ruby script run the command ruby test rb. This explanation is based on a commented ruby script from a friend of mine. Ruby is generally run from the command line in the following way ruby options programfile arguments.

Here are ways to execute a shell script. To run ruby on windows you have to install ruby and several developer tools. Otherwise execute the interpreter and pass it the script as an argument ruby myscript rb if you want to run the script from anywhere using a simple command wrap one of these. Test rb test1 test2 you may encounter a situation in which you need to pass an argument to a ruby program but there s a space in the command.

The script should ask you for your. One off ruby scripts run the gamut on the services they can provide you. Once you can see for example script1 sh with ls run this script sh why do it the complicated way. Using the classic hello world script where all we do is print hello world to the console i m going to show you four ways in which you can write and run a script with ruby.

My script rb def say input puts what should we say. If you want to improve the script feel free to update it at the link. It s easy just create a file with the extension rb navigate to that file s directory from the command line and run it using ruby filename rb the dollar sign is just the command prompt. First note that when ruby calls out to a shell it typically calls bin sh not bash.

Your ruby files will all have the rb file extension. The interpreter can be invoked with any of the following options to control the environment and behavior of the interpreter. If the script is executable and the first line of the script is usr bin ruby or whatever the path to your ruby interpreter might be then you should be able to launch the script directly i e. Click the big red download button.

Some bash syntax is not supported by bin sh on all systems. Click ruby 2 2 2 near the top of the rubyinstallers list. From little helpers to full on command line utilities the possibilities are endless. You ll be able to gets from and puts to the command line now.