From: Jeremy McAnally <jeremymcanally@...>
Date: 2007-12-06T20:48:00+09:00
Subject: Re: if /hello/ =~line

You can use string interpolation like you can with double quoted strings.

var1 = "hello"

File.foreach "file.txt" do |line|
 if /#{var1}/ =~ line
   puts "found it"
   break
 end
end

--Jeremy

On 12/6/07, Peter Loftus <loftuz@gmail.com> wrote:
> Got help with this code earlier its just checking a file for a line
>
> Im really new to ruby ive used java and C before
>
> just wondering what do i put in if i want to use a variable that is
> holding the string eg VAR1 = "hello"
>
> File.foreach "file.txt" do |line|
>   if /hello/ =~ line
>     puts "found it"
>     break
>   end
> end
> --
> Posted via http://www.ruby-forum.com/.
>
>


-- 
http://www.jeremymcanally.com/

My books:
Ruby in Practice
http://www.manning.com/mcanally/

My free Ruby e-book
http://www.humblelittlerubybook.com/

My blogs:
http://www.mrneighborly.com/
http://www.rubyinpractice.com/