#  This file is part of ReportTool

# ReportTool (Felicity) is copyright 2004-8 Steve Butterfill.
# 
# ReportTool is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
# 
# ReportTool is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with ReportTool.  If not, see <http://www.gnu.org/licenses/>.
# 
# If you want to use ReportTool under a difference licence, email 
# s.butterfill@warwick.ac.uk.  

#!/usr/bin/python
import sys
search_text = sys.argv[1]
replace_text = sys.argv[2]
file_name = sys.argv[3]
print "replacing %s with %s in %s, saving original as %s.bak" % (search_text, replace_text, file_name, file_name)
in_file = open(file_name)
in_text = in_file.read()
in_file.close()
bak_file_name = file_name+".bak"
bak_file = open(bak_file_name,'w')
bak_file.write(in_text)
bak_file.close()
out_file= open(file_name,'w')
out_file.write(in_text.replace(search_text,replace_text))
out_file.close()