On Oct 21, 2011, at 7:46 PM, Chad Perrin wrote:
> On Sat, Oct 22, 2011 at 10:48:00AM +0900, Eric Hodel wrote:
>> On Oct 21, 2011, at 5:34 PM, basha c. wrote:
>>> In IRB the last expression is in _ . But if you  are in a ruby program
>>> how to get the last expression.
>> 
>> You assign it to a variable:
>> 
>> value = 1 + 1
>> 
>> puts "the value was #{value}"
> 
> Mightn't that lead to some "shallow copy" problems in some cases?

No more than in IRB.