HammerInTheNews

## match_and_print.rb
lines = File.new('foo.txt', 'r').select do |line|
  line =~ /pattern/
end

## CSV_generate.rb
require 'csv'
outfile = File.open('csvout.csv', 'wb')
  CSV::Writer.generate(outfile) do |csv|
    csv << ['c1', nil, 5]
    csv << ['c2', 1, 2, 'abc']
  end
outfile.close

#also read the file and print

## Duplicates_Removed.rb
dups = [8,1,2,1,4,4,5,7,8,5]
trimmed = dups.uniq

## strip_each_line.rb
lines = File.new('foo.txt', 'r').collect() do |line|
  line.strip()
end
	lines = File.new('foo.txt', 'r').select do \|line\|
	line =~ /pattern/
	end
	require 'csv'
	outfile = File.open('csvout.csv', 'wb')
	CSV::Writer.generate(outfile) do \|csv\|
	csv << ['c1', nil, 5]
	csv << ['c2', 1, 2, 'abc']
	end
	outfile.close

	#also read the file and print
	lines = File.new('foo.txt', 'r').collect() do \|line\|
	line.strip()
	end