# Blank? and nil?

**URL:** <https://www.ruby-forum.com/t/blank-and-nil/125208>\
**Category:** Rails\
**Created:** [January 7, 2008, 2:51am UTC](https://www.ruby-forum.com/t/blank-and-nil/125208 "2008-01-07T02:51:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![lz-coelho](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/8c91f0/32.png) [@lz-coelho](https://www.ruby-forum.com/u/lz-coelho)\
**Post date:** [January 7, 2008, 2:51am UTC](https://www.ruby-forum.com/t/blank-and-nil/125208/1 "2008-01-07T02:51:20Z")

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What is the difference:

@Table.blank? and @Table.nil?

–  
Regards,  
Luiz Vitor Martinez C. [Grabber].  
(11) 8187-8662

[rubz.org](http://rubz.org) - engineer student at maua.br

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<div class="post-metadata">

**Author:** ![lz-coelho](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/8c91f0/32.png) [@lz-coelho](https://www.ruby-forum.com/u/lz-coelho)\
**Post date:** [January 7, 2008, 3:04am UTC](https://www.ruby-forum.com/t/blank-and-nil/125208/2 "2008-01-07T03:04:34Z")

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Luiz Vitor Martinez C. wrote:

> What is the difference:
> 
> @Table.blank? and @Table.nil?
> 
> –  
> Regards,  
> Luiz Vitor Martinez C. [Grabber].  
> (11) 8187-8662
> 
> [rubz.org](http://rubz.org) - engineer student at maua.br

nil? checks only if its nil and blank checks if its an empty string or  
nil …

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<div class="post-metadata">

**Author:** ![lz-coelho](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/8c91f0/32.png) [@lz-coelho](https://www.ruby-forum.com/u/lz-coelho)\
**Post date:** [January 7, 2008, 3:41am UTC](https://www.ruby-forum.com/t/blank-and-nil/125208/3 "2008-01-07T03:41:44Z")

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Thanks!

On Jan 7, 2008 12:04 AM, Michal G. \<  
removed\_email\_address@domain.invalid\> wrote:

> > (11) 8187-8662
> > 
> > [rubz.org](http://rubz.org) - engineer student at maua.br
> 
> ## nil? checks only if its nil and blank checks if its an empty string or nil …
> 
> Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/).
> 
> >

–  
Regards,  
Luiz Vitor Martinez C. [Grabber].  
(11) 8187-8662

[rubz.org](http://rubz.org) - engineer student at maua.br