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Various changes.

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1 parent c3ceaaa commit 75bcf6fa14863835dedab15394859cf4dad25b30 @asweigart committed Nov 27, 2012
Showing with 0 additions and 54 deletions.
  1. +0 −54 transpositionCipherFile.py
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54 transpositionCipherFile.py
@@ -1,54 +0,0 @@
-# Transposition Cipher Encrypt File
-# http://inventwithpython.com/codebreaker (BSD Licensed)
-
-import math, time, os, sys, transpositionEncrypt, transpositionDecrypt
-
-def main():
- inputFilename = 'frankenstein.txt'
- # BE CAREFUL! If a file with the outputFilename name already exists, this
- # program will overwrite that file.
- outputFilename = 'frankenstein.encrypted.txt'
- myKey = 42
- myMode = 'decrypt' # set to 'encrypt' or 'decrypt'
-
- # If the input file does not exist, then the program terminates early on.
- if not os.path.exists(inputFilename):
- print('The file %s does not exist. Quitting...' % (inputFilename))
- sys.exit()
-
- # If the output file already exists, give the user a chance to quit.
- if os.path.exists(outputFilename):
- print('This will overwrite the file %s. (C)ontinue or (Q)uit?' % (outputFilename))
- response = input('> ')
- if not response.lower().startswith('c'):
- sys.exit()
-
- # Read in the message from the input file
- fileObj = open(inputFilename)
- content = fileObj.read()
- fileObj.close()
-
- print('%sing...' % (myMode.title()))
-
- # Measure how long the encryption takes.
- startTime = time.time()
- if myMode == 'encrypt':
- translated = transpositionEncrypt.encryptMessage(myKey, content)
- elif myMode == 'decrypt':
- translated = transpositionDecrypt.decryptMessage(myKey, content)
- totalTime = round(time.time() - startTime, 2)
- print('%sion time: %s seconds' % (myMode.title(), totalTime))
-
- # Write out the translated message to the output file.
- outputFileObj = open(outputFilename, 'w')
- outputFileObj.write(translated)
- outputFileObj.close()
-
- print('Done %sing %s (%s characters).' % (myMode, inputFilename, len(content)))
- print('%sed file is %s.' % (myMode.title(), outputFilename))
-
-
-# If transpositionCipherFile.py is run (instead of imported as a module) call
-# the main() function.
-if __name__ == '__main__':
- main()

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