From: Shawn Anderson <shawn42@...>
Date: 2009-02-05T04:10:21+09:00
Subject: Re: Native gem roundup!

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Gem::Specification.list.select {|s| s.extensions.size > 0 }.map {|s|
s.name}.uniq.sort
=3D> ["RedCloth", "eventmachine", "fastthread", "ferret", "hpricot",
"mongrel", "mysql", "narray", "ncurses", "neuro", "rcov", "rfuzz",
"rmagick", "ruby-debug-base", "ruby-fann", "ruby-opengl", "ruby-prof",
"rubygame", "rubysdl", "sandbox", "sqlite3-ruby", "termios", "thin"]
>> Gem::Specification.list.select {|s| s.extensions.size > 0 }.map {|s|
s.name }.uniq.size
=3D> 23



2009/2/4 Joel VanderWerf <vjoel@path.berkeley.edu>

> Rados=B3aw Bu=B3at wrote:
>
>> 2009/2/4 Joel VanderWerf <vjoel@path.berkeley.edu>:
>>
>>> Not sure why this doesn't work for me:
>>>
>>> $ ruby -e 'p Gem::Specification.list.select {|s| s.extensions.size > 0
>>> }.map
>>> {|s| s.name }.sort'
>>> []
>>>
>>
>> Don't ask me why but it will work if you load at least one gem by
>> rubygems. Try with:
>>
>> ruby -rubygems -e "require 'rake'" -e 'p
>> Gem::Specification.list.select {|s| s.extensions.size > 0 }.map {|s|
>> s.name }.sort'
>>
>> My previous try was from irb session so it was already loaded many gems.
>> Weird.
>> Rubygems sucks at many things, specially in loading *all* gems specs
>> so it end up with eating more memory if you have insalled many gems
>> (as I do).
>>
>>
> Thanks, that works.
>
>
> --
>      vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407
>
>

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