From: Paul Lutus <nospam@...>
Date: 2006-09-16T01:20:54+09:00
Subject: Re: Need help about Ruby with text file

Oscar Lok wrote:

/ ...

> Thanks a lots!
> Ruby script really is a great script!
> By the way, may I know that is there any function like e.g. left(line,
> 3), right(line, 2) and mid(line, 1, 4) to extract letter from a line,
> please?
> e.g.
> mid(gghhii,3,2) return hh
> left(gghhii,3) return ggh
> right(gghhii,3) return hii

#!/usr/bin/ruby

s = "gghhii"

puts s
puts s[0,2]
puts s[2,2]
puts s[-2,2]

Output:

gghhii
gg
hh
ii

-- 
Paul Lutus
http://www.arachnoid.com