#读文件 f = File.open("myfile.txt", "r") f.each_line do|line| puts "I read this line: #{line}" end
File.foreach("myfile.txt") do|line| puts "I read this line: #{line}" end
f = File.open("myfile.txt", "r") line = f.gets puts "The line I read is: #{line}"
#写操作 File.open('filename','w') do |f| f.puts lines end
#得到当前目录所有文件名 files = Dir.glob('*.rd')
#删除特定目录所有文件名 Dir.glob('*.rd').each{|f| File.delete f}