Read Write Files in Ruby

Read/Write Text Files: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial:

<Random Numbers | TOC | Regular Expressions> Let's look at how we can read / write to a text file with the help of a simple program p027readwrite.rb # p027readwrite.rb # Open and read from a text file # Note that since a block is given, file will # automatically be closed when the block terminates File.open('p014constructs.rb', 'r') do |f1| while line = f1.gets puts line end end # Create a new file and write to it File.open('test.rb', 'w') do |f2| # use "\n" for two lines of text f2.puts "Created by Satish\nThank God!" end The File.open method can open the file in different modes like 'r' Read-only, starts at beginning of file (default); 'r+' Read/Write, starts at beginning of file; 'w' Write-only, truncates existing file to zero length or creates a new file for writing. File modes can work like: <file mode><:external encoding><:internal> Let us say you know that the exter...

Full article: http://rubylearning.com/satishtalim/read_write_files.html