[Tutor] (no subject)

[root]

hi ,i am working to replace three lines in a httpd.conf file using
regular expression.i am able to change only one among them but while
replacing other i am not geeting good idea to replace all the three
lines just in a single script ,,my script is like

 #!usr/bin/python

import sys
import os
import re
import  string

def replace_file(file,search,replace):
	cregex=re.compile(search)
	for current_line in file:
		if cregex.search(current_line):
			current_line=re.sub(search,replace,current_line)
			print current_line
		else:
			print current_line
		
		
def main():
	file =open("/root/Desktop/httpd.conf").readlines()
	replace_file(file,'User apache ' , 'User myuser ')
	#replace_file(file,'Group apache','Group myuser')
	#replace_file(file,DirectoryIndex\ index.html\ index.html.var,DirectoryIndex\ index.html\ index.html.var\ login.html)
	
		

if __name__ == '__main__':
        main()


I am running this command to save the output in a temp file then replacing with original httpd.conf.

	can I do this in a single python script that'll change three lines and there should not any need to replace it.that is the change should
 directly save to the source file......??????????

any help will be appreciated.Thanks


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