Ruby Issue Tracking System

01/05/2013

12:52 AM Ruby Feature #7654: Add optional code block to IO::readlines

Thank you, Eregon, especially for in place methods. I should definitely pay more attention to them - functional languages made me a little suspicious of this sort of things.
But I still think it would be nice to have an optional block i... shock_one (Володимир Шацький)

01/04/2013

10:27 PM Ruby Feature #7654: Add optional code block to IO::readlines

Just to be clear: code block will allow to write the first code snippet as follows:
data = File.readlines('/home/shock_one/test.rb'){ |line| line.upcase } shock_one (Володимир Шацький)

10:15 PM Ruby Feature #7654 (Assigned): Add optional code block to IO::readlines

Of course, we always can write something like
File.readlines('/home/shock_one/test.rb').map{ |line| line.upcase }
but this way we create unneeded intermediate array which can be pretty big.
There is also a method IO::foreach, but it d... shock_one (Володимир Шацький)