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