plain text processing
import sys
import csv
import re
filein = open('lcshtopics-synonymlinkage.tsv', 'r')
#filein = open('abc.tsv', 'r')
fileout = open('out', 'w')
try:
i = 1
for line in filein:
if (i == 1):
i = i + 1
continue
j = 1
newline = ''
for token in re.split(r'\t+', line):
if (j == 2 or j == 3):
j = j + 1
continue
elif (j == 1):
newline = token
#print 'line %d: %s' % (i, token)
j = j + 1
elif(j == 4):
newline = newline + '+++++' + token
fileout.write(newline)
#print newline
i = i + 1
finally:
filein.close()
fileout.close()