Creating a file

In this section, we will learn how to work with files in Ruby, including how to create, edit, and append to a file. This information can be particularly helpful when you want to store content in data in a file, so that you don't have to rely on a database connection every time. It's good to have some practical knowledge of this.

Ruby File class

First off, we are going to see how to create a file:

File.open("files-lessons/teams.txt" , 'w+')  { |f| f.write("Twins, Astros, Mets, Yankees") } 

In this code, I'm calling a core Ruby class called File and I'm passing two values as the parameters to its open method. The first parameter is the path where I want my text file to be located and the second is the options that I want to do with the file. In this case, w+ stands for reading and writing.

Other options you can pass as the second option

Following is the list of the options you can pass as the second option:

• r: This stands for reading
• a: This stands for appending to a file
• w: This stands...