#  Filecopy.py  Copyright (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2006-05-14  File created.
#  2022-12-18  Converted to Python 3.

print( "\n This program copies text from one file"     \
       "\n to another file. Please, give the name of"  \
       "\n the file to be copied: ", end="" )

name_of_file_to_be_copied  =  input()

print( "\n Give the name of the duplicate file: ", end="" )

name_of_new_duplicate_file  =  input()

file_to_be_copied  =  open( name_of_file_to_be_copied, 'r' )

new_duplicate_file  =  open( name_of_new_duplicate_file, 'w' )

print( "\n Copying in progress ... " )

text_line_counter  =  0
end_of_input_file_encountered  =  False

while  end_of_input_file_encountered  ==  False :

   text_line_from_file  =  file_to_be_copied.readline()

   if  text_line_from_file  ==  "" :

      end_of_input_file_encountered  =  True

   else  :

      new_duplicate_file.write( text_line_from_file )

      text_line_counter  +=  1


print( "\n Copying ready. %d lines were copied. "  %  text_line_counter )

file_to_be_copied.close()
new_duplicate_file.close()