Ruby/File Directory/IO.readlines
Материал из Wiki.crossplatform.ru
Get the longest line
arr = IO.readlines("myfile") lines = arr.size puts "myfile has #{lines} lines in it." longest = arr.collect {|x| x.length}.max puts "The longest line in it has #{longest} characters."
Read lines into an array
words = IO.readlines("/usr/share/dict/words")