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20
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1 '''
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2 collapse intervals
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3 '''
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4
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5 def collapseInterval_strand(filename,c_strand,c_score):
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6 # keeping max column c
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7 uniqintv = {}
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8 data = {}
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9 f = open(filename)
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10 header = f.readline()
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11 if 'chr' in header:
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12 flds = header.strip().split('\t')
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13 key = '\t'.join([flds[0],flds[1],flds[2],flds[c_strand]])
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14 uniqintv[key] = float(flds[c_score])
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15 data[key] = flds
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16 for line in f:
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17 flds = line.strip().split('\t')
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18 key = '\t'.join([flds[0],flds[1],flds[2],flds[c_strand]])
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19 if not uniqintv.has_key(key):
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20 uniqintv[key] = float(flds[c_score])
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21 data[key] = flds
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22 elif uniqintv[key] < float(flds[c_score]):
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23 uniqintv[key] = float(flds[c_score])
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24 data[key] = flds
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25
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26 f.close()
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27 for key in uniqintv.keys():
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28 print '\t'.join(data[key])
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29
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30 import sys
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31
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32 if sys.argv[2] == '0':#ignore strand
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33 sys.argv[2] = 1
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34 if sys.argv[3] == '0':# ignore score
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35 sys.argv[3] = 2
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36 collapseInterval_strand(sys.argv[1],int(sys.argv[2])-1,int(sys.argv[3])-1)
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