A Tool to List GEM Summaries

summarize_all_gems.rb

#!/bin/env ruby
############################################################################
## summarize_all_gems.rb

class NilClass
  def split(*args)
    [" "]
  end
  def strip
    ""
  end
end

desc_start_col = 30

Gem::Specification.all.each do |gs|
  print "#{gs.name}  "
  spacer_cnt = desc_start_col - gs.name.length
  spacer_cnt = 1 if spacer_cnt <= 0
  print " "*spacer_cnt
  puts gs.summary.split("\n").first.strip
end