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@jdkealy
Created August 23, 2011 14:43
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class Output <
Struct.new(:name, :price)
end
unless ARGV.length == 1
puts "Wrong number of Arguments"
puts "Usage: ruby #{File.basename(__FILE__)} InputFile.tsv > SortedOutputFile.tsv\n"
exit
end
# get the input filename from the command line
input_file = ARGV[0]
# define an array to hold the Output records
arr = Array.new
#loop through tsv, add to array
f = File.open(input_file, "r")
f.each_with_index { |line, i|
name_index = ""
price_index = ""
if(i==0) then
headers = line.split("\t")
headers[2] = headers.last.strip
name_index = headers.index("Name")
price_index = headers.index("Price")
end
next if i == 0
next if line[0] == "#"
words = line.split("\t")
p = Output.new
puts name_index
p.name = words[0]
p.price = words[2].to_f
arr.push(p)
}
# sort the data by the price field
arr.sort! { |a,b| a.price <=> b.price }
# print out all the sorted records
puts "Name" + "\t" + "Price"
arr.each { |p|
puts p[0] + "\t" + p[1].to_s + "\n"
}
~
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