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#!/usr/bin/env ruby
require 'zipf'
require 'optimist'
conf = Optimist::options do
opt :foreign, "foreign file", :type => :string, :required => true
opt :english, "english file", :type => :string, :required => true
opt :size, "one size", :type => :int, :required => true
opt :repeat, "number of repetitions", :type => :int, :default => 1
opt :prefix, "prefix for output files", :type => :string
end
fn = conf[:foreign]
fn_ext = fn.split('.').last
f = ReadFile.readlines fn
en = conf[:english]
en_ext = en.split('.').last
e = ReadFile.readlines en
size = conf[:size]
nlines_f = `wc -l #{fn}`.split()[0].to_i
nlines_e = `wc -l #{en}`.split()[0].to_i
if nlines_f != nlines_e
STDERR.write "Unbalanced files (#{nlines_f} vs. #{nlines_e}), exiting!\n"
exit 1
end
prefix = conf[:prefix]
a = (0..nlines_e-1).to_a
i = 0
conf[:repeat].times {
if conf[:repeat] == 1
infix = ""
else
infix = ".#{i}"
end
b = a.sample(size)
ax = a.reject{|j| b.include? j}
`mkdir split_#{i}`
new_f = WriteFile.new "split_#{i}/#{prefix}.train#{infix}.#{fn_ext}"
new_e = WriteFile.new "split_#{i}/#{prefix}.train#{infix}.#{en_ext}"
ax.each { |j|
new_f.write f[j]
new_e.write e[j]
}
new_f.close; new_e.close
new_f = WriteFile.new "split_#{i}/#{prefix}.devtest#{infix}.#{fn_ext}"
new_e = WriteFile.new "split_#{i}/#{prefix}.devtest#{infix}.#{en_ext}"
b.each { |j|
new_f.write f[j]
new_e.write e[j]
}
new_f.close; new_e.close
i += 1
}
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