From: Brian Candler <b.candler@...>
Date: 2010-12-30T15:01:02+09:00
Subject: Re: how can i include a double quote in a string

Rick Tan wrote in post #971378:
> i need to a include a double quote in a string without it being escaped.
> For example
>
> astring="first few characters"
> bstring="last characters"
>
> When i tried
>    newstring = astring + '"' + bstring + '"'
>
> newstring ended up as 'first few characters\"last characters\"'

$ irb --simple-prompt
>> a = "foo" + '"' + "bar"
=> "foo\"bar"
>> puts a
foo"bar            << NOTE
=> nil
>> puts a.size
7                  << NOTE
=> nil

So the string is 7 characters:  f o o " b a r

irb uses #inspect to display the value of each expression you type. 
String#inspect escapes double-quotes, so that the value is a valid 
string literal (i.e. could be pasted back in to Ruby)

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