import os
import sys

inputPredFileName = sys.argv[1] #name of the combined sda prediction file to convert into features
inputFeatFileName = sys.argv[2] #name of the feature file that the sda predictions were performed on

predF = open(inputPredFileName, 'r')
featF = open(inputFeatFileName, 'r')

outFName = inputPredFileName + '.sdaConvertedFeat'
outF = None
if not os.path.isfile(outFName):
	outF = open(outFName, 'w')
else:
	print 'output file already exists: exit'
	exit(0)

predLines = predF.readlines()

lineCount = 0
for line in featF:
	items = line.split()
	tarVal = items[0] #get the target value (1 or -1 from the begining of the feature line)
	comLine = line[line.find('#'):] #get just the comment from the end of the line
	predItems = predLines[lineCount].split()
	predLine = tarVal + ' '
	featNum = 1
	for pred in predItems:
		predLine += (str(featNum) + ':' + pred + ' ')
		featNum += 1

	predLine += comLine
	outF.write(predLine)
	lineCount += 1