From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2010-01-25T18:34:17+09:00
Subject: Re: how to represent a single backslash?

On Mon, Jan 25, 2010 at 9:55 AM, lalawawa <usenet@ccjj.info> wrote:
> How do a put a single backslash into a string in Ruby?
>
> irb(main):006:0> '\'
> irb(main):007:0' '
> => "'\n"
> irb(main):008:0> '\\'
> => "\\"
> irb(main):009:0>
>
> in 6, the backslash escapes the ending ', which is not what I wanted. In 8,
> the double backslash becomes two backslashes, which is not what I wanted
> either.
> I get exactly the same problem with double quotes.

It's not 2 backslashes, just one. Irb shows you two because it's the
representation of the inspected string:

irb(main):003:0> '\\'
=> "\\"
irb(main):004:0> '\\'.size
=> 1
irb(main):005:0> puts '\\'
\
=> nil

Jesus.