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to_array.rb

This Ruby code snippet demonstrates how to read a file line by line and remove the newline character from each line using the chomp method. The readlines method reads the contents of a file into an array, where each element is a string representing one line of the file. The &: notation is used to pass the chomp method as a block to the map method, which applies the method to each element in the array and returns a new array with the modified elements. In this case, the chomp method removes the newline character from each line of the file, resulting in an array where each element is a string without the newline character at the end.

Ruby code snippet

File.readlines('input/file/file.txt').map(&:chomp)
#=> ["line1", "line2", "line3"]

Executed with Ruby 3.4.4.