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Crooksey

Member

From: UK ~

Registered: 2006-08-14

Posts: 415

Website

Stuck on ruby tutorial

So i am following: http://www.ruby-lang.org/en/documentation/quickstart/2/

And have created the class "Greeter", and am trying to call several things back from that class.

Program code i am executing (section of it), full code @ http://pastebin.ca/668279

class Greeter
    def initialize(name = "World")
        @name = name
    end
    
    def say_hi
        puts "Hi #{name}!"
    end
    
    def say_bye
        puts"Bye #{name}, come back soony!"
    end
end

g = Greeter.new("Pat")
g.say_hi
g.say_bye

The execution and result I get:

crooksey >> 07:48 PM ~/ruby $ ruby basic.rb
Hello Worldy!
Hello luke
Hello World!
basic.rb:25:in `say_hi': undefined local variable or method `name' for #<Greeter:0xb7d16ebc @name="Pat"> (NameError)
        from basic.rb:34

I am just confused on why I am getting this error, i also comment my code as a write it, so when I look back it easily jogs my memory

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Arch Linux since 2006
Python Web Developer + Sys Admin (Gentoo/BSD)

SleepingGiant08

Member

From: Ellicott City, MD USA

Registered: 2007-01-10

Posts: 124

Re: Stuck on ruby tutorial

So i am following: http://www.ruby-lang.org/en/documentation/quickstart/2/

And have created the class "Greeter", and am trying to call several things back from that class.

Program code i am executing (section of it), full code @ http://pastebin.ca/668279

class Greeter
    def initialize(name = "World")
        @name = name
    end
    
    def say_hi
        puts "Hi #{name}!"
    end
    
    def say_bye
        puts"Bye #{name}, come back soony!"
    end
end

g = Greeter.new("Pat")
g.say_hi
g.say_bye

The execution and result I get:

crooksey >> 07:48 PM ~/ruby $ ruby basic.rb
Hello Worldy!
Hello luke
Hello World!
basic.rb:25:in `say_hi': undefined local variable or method `name' for #<Greeter:0xb7d16ebc @name="Pat"> (NameError)
        from basic.rb:34

I am just confused on why I am getting this error, i also comment my code as a write it, so when I look back it easily jogs my memory

Change your #{name} to #{@name}

Last edited by SleepingGiant08 (2007-08-23 20:56:18)

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Registered Linux User #439761

Crooksey

Member

From: UK ~

Registered: 2006-08-14

Posts: 415

Website

Re: Stuck on ruby tutorial

Thanks, really appreciated

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Arch Linux since 2006
Python Web Developer + Sys Admin (Gentoo/BSD)

SleepingGiant08

Member

From: Ellicott City, MD USA

Registered: 2007-01-10

Posts: 124

Re: Stuck on ruby tutorial

Thanks, really appreciated

No problem, I'm still learning Ruby... and Rails too

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Registered Linux User #439761