Ruby File open read/write examples

gistfile1.md

File.open("/usr/local/widgets/data").each do |line|
    puts line if line =~ /blue/
end



logfile = File.new("/tmp/log", "w")

logfile.close



File.expand_path('~/tmp')


fh = Tempfile.new('tmp')
fh.sync = true # autoflushes
10.times { |i| fh.puts i }
fh.rewind
puts 'Tmp file has: ', fh.readlines