Someone

twopir@formless-void:~ $ ruby --version
ruby 1.8.6 (2008-06-20 patchlevel 230) [i386-linux]
twopir@formless-void:~ $ irb
irb(main):001:0> File.open("a_file", "w") do |f|
irb(main):002:1*     f.write "some data"
irb(main):003:1> end
=> 9
irb(main):004:0> ^D
twopir@formless-void:~ $ cat a_file
some data