Run Ruby Script In Bash

Using wsl to run a shell script in windows 10 is a long process.

Run ruby script in bash. Linux has a feature where if the first line of an executable file starts with a no leading spaces and the name of a different executable then that executable will be run with the name of your original file as a command line parameter. Run shell script on windows 10 with git bash. Once there you can list files using the dir command on windows or the ls command on linux or os x. You can also access your windows filesystem from within bash allowing you to work on the same set of files using your preferred windows tools or linux command line tools.

If you need to run ruby code from within a shell script you could easily execute a ruby script with a simple bash command. The script will run each command in turn. For more advanced tricks consult a more detailed guide to bash scripts on linux. Peter cooper demonstrates how to use the default text editor gedit in ubuntu 10 10 linux as a basic editor for ruby files and then how to run a ruby script at the terminal.

To verify that you have a current version of ruby run the command ruby v. You can now run bash scripts linux command line tools like sed awk grep and you can even try linux first tools like ruby git python etc. Your ruby files will all have the rb file extension. Here is an example of executing bash commands from inside ruby.

The script should ask you for your. By default the backtick and system approach both outputs the following. Essentially if a command runs on the bash command line then it should work from inside ruby. Open a command line window and navigate to your ruby scripts directory using the cd command.

Add a character before a line to treat it as a comment something which helps you and other people understand the script but which isn t run as a command. If you want something much quicker we recommend using git bash. To run the test rb ruby script run the command ruby test rb. Compare the version number returned with the version number on the ruby download page.

These numbers don t have to be exact but if you are running a version that s too old some of the features may not work correctly. This means you will have two files one bash script and one ruby script so actually this is surprisingly not easy and is why i m here. In linux you can use the same approach as above.