From: Dan Zwell <dzwell@...>
Date: 2007-08-08T03:52:16+09:00
Subject: Re: array.each puzzle from new ruby-er

Gani Ruthellen wrote:
>> Know that this is actually rebinding the local variable y to point to a
>> new object, not modifying the old object. If your goal was to modify the
>> array "lines", you should change "lines.each" to "lines.map" and make
>> sure you end the block with a statement that returns the modified y.
>>
>> perhaps:
>> lines.map do |y|
>>    y = y.chomp("\x15").chomp
>>    y = "<someTag>" + y + "</someTag>"     if y =~ /^\*\*\*/
>>    y
>> end
>>
>>
>> Dan
> 
> Sorry, actually doing each_with_index do |y,ind| (etc) and specifically 
> setting lines[ind] = y
> but my original question remains: how do i make the "<tag>" + y leave 
> off the \n so the output is
> <tag>text of y
> Thanks again

Sorry, I thought that would work but didn't test it. "y.lstrip" will do 
what you want, but will also will strip leading whitespace, which might 
not be okay. If not, "y[1..-1]" should suffice--this will return y from 
the second character on.
y = y[1..-1] if y =~ /^\n/

Dan