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1 #!/usr/bin/env python
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150
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2
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252
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3 # changelog:
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4 # 10/13/2005b: replaced the # in tmp(.#*)* with alphanumeric and _, this will then remove
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5 # nodes such as %tmp.1.i and %tmp._i.3
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6 # 10/13/2005: exntended to remove variables of the form %tmp(.#)* rather than just
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7 #%tmp.#, i.e. it now will remove %tmp.12.3.15 etc, additionally fixed a spelling error in
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252
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8 # the comments
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9 # 10/12/2005: now it only removes nodes and edges for which the label is %tmp.# rather
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10 # than removing all lines for which the lable CONTAINS %tmp.#
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11
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12 from __future__ import print_function
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13
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14 import re
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15 import sys
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252
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16
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17 if len(sys.argv) < 3:
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18 print("usage is: ./DSAclean <dot_file_to_be_cleaned> <out_put_file>")
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19 sys.exit(1)
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20 # get a file object
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21 input = open(sys.argv[1], "r")
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22 output = open(sys.argv[2], "w")
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23 # we'll get this one line at a time...while we could just put the whole thing in a string
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24 # it would kill old computers
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25 buffer = input.readline()
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26 while buffer != "":
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27 if re.compile('label(\s*)=(\s*)"\s%tmp(.\w*)*(\s*)"').search(buffer):
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28 # skip next line, write neither this line nor the next
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29 buffer = input.readline()
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30 else:
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31 # this isn't a tmp Node, we can write it
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32 output.write(buffer)
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33 # prepare for the next iteration
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34 buffer = input.readline()
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150
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35 input.close()
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36 output.close()
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