From: Gregor Kopp <gk@...>
Date: 2006-02-28T23:48:36+09:00
Subject: Re: Pine's book "Learning to Program" - Answer?

Try also this to get the feel how it works:

num = "1"
puts 'puts "num"'
puts "num"
puts 'puts num'
puts num
puts 'puts "#{num}"'
puts "#{num}"





Gregor Kopp schrieb:
> 1.) if you do a .to_i to num, you dont need to chomp it.
> 2.) if you make 'num'.to_i you try to transform the string num into 
> integer. it should be num.to_i, because you want the value of num and 
> not "num".
> 3.) #{expression} in string will be replaced with its value in that string.
> try
> 
> (1..10).each do |number|
>   puts "Hallo there, Number #{number}!"
> end
> 
> hope that helped ;)
> 
> sorry about my english, i know it sucks alot!
> 
> 
> woodyee schrieb:
> 
>> Hi! I'm stuck on Chapter 5, 5.4:
>>
>> "Write a program which asks for a person's favorite number. Have your
>> program add one to the number, then suggest the result as a bigger and
>> better favorite number. (Do be tactful about it, though.)".
>>
>> Any ideas? I'm getting "can't convert fixnum into string" errors.
>> Here's one of the many things I've tried, er, failed:
>>
>> puts 'What is your favorite number ?'
>> num = gets.chomp
>> better = 'num'.to_i + 1
>> puts 'This is better: ' + better + '.'
>>
>> 3rd line's getting me. Can't figure out how to add 1 to the response.
>> Hopefully, I'll figure this out but any tips are welcomed. Thanks!
>>