From: "Berger, Daniel" <Daniel.Berger@...>
Date: 2006-05-16T01:40:20+09:00
Subject: Re: Search an array

> -----Original Message-----
> From: list-bounce@example.com 
> [mailto:list-bounce@example.com] On Behalf Of Patrick Spence
> Sent: Monday, May 15, 2006 10:35 AM
> To: ruby-talk ML
> Subject: Re: Search an array
> 
> 
> Mike Fletcher wrote:
> > irb(main):018:0> pp $0
> > "C:/mhiqTest/testAdoConnection.rb"
> > => nil
> > irb(main):019:0> pp $a 
> > ["c:/ruby/lib/ruby/site_ruby/1.8/DBD/ADO/ADO.rb:57:in `connect'",  
> > "c:/ruby/lib/ruby/site_ruby/1.8/dbi.rb:424:in `connect'",  
> > "c:/ruby/lib/ruby/site_ruby/1.8/dbi.rb:215:in `connect'",  
> > "C:/mhiqTest/testAdoConnection.rb:16"]
> > => nil
> > irb(main):020:0> $a.grep( %r/^#$0/ )
> > => ["C:/mhiqTest/testAdoConnection.rb:16"]
> 
> What is "pp"? BTW, I'm very new to Ruby!

It's short for "pretty print".  It's meant to provide prettier
inspection for objects (mostly used for STDOUT, I imagine).  I use it
for debugging sometimes.

It's part of the stdlib, so you can find docs for it at ruby-doc.org.

Regards,

Dan


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