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#!/usr/bin/env python

import sys, re

assert(len(sys.argv) == 3)

inputFile = open(sys.argv[1])
currentFile = ""
coverage = {}
for line in inputFile.readlines() :
	line = line.strip()
	m = re.match("^SF:(.*)", line)
	if m :
		currentFile = m.group(1)
	else :
		m = re.match("^DA:(\d+),(\d+)", line)
		if m :
			currentFileCoverage = coverage.get(currentFile, {})
			line = int(m.group(1))
			count = int(m.group(2))
			currentFileCoverage[line] = currentFileCoverage.get(line, 0) + count
			coverage[currentFile] = currentFileCoverage
inputFile.close()

totalLines = 0
coveredLines = 0
for c in coverage.values() :
	totalLines += len(c)
	for l in c.values() :
		if l > 0 :
			coveredLines += 1

outputFile = open(sys.argv[2], 'w')
outputFile.write(str(coveredLines) + "/" + str(totalLines))
outputFile.close()