>>714-732
Ruby で作った

require "csv"

options = { :headers => true, :col_sep => "\t" }

table_1 = CSV.read( "hoge.tsv", options ) # 読み込み
table_2 = CSV.read( "huga.tsv", options ) # 読み込み

CSV.open( "hoge_huga.tsv", "w", options ) do |csv| # 書き込み
csv << %w(a b c d e) # header

table_1.zip( table_2 ).each do |one, two|
csv << [ one[ "a" ], one[ "b" ], two[ "c" ], two[ "d" ], one[ "e" ] ]
end
end