From: Mike Fletcher <lemurific+rforum@...>
Date: 2006-05-16T05:41:53+09:00
Subject: Re: Search an array

Patrick Spence wrote:
> 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 the pretty printing library.  I have it required in my ~/.irbrc so 
it's always available in irb sessions (as is the YAML module so I can 
also 'print foo.to_yaml')

http://www.ruby-doc.org/stdlib/libdoc/pp/rdoc/index.html

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