Fixed bug with spaces. Added README.

Caeser-Cipher/README.md

@@ -0,0 +1,28 @@
+# Python Caeser Cipher Helper
+
+# What's That?
+
+This script gives you tools to manipulate text with the Caeser Cipher.
+It'll take any input you give it, filter it and process it as you want (encrypt or decrypt) and will attempt to crack it if you don't know the shift.
+
+This is a fun tool, not security. The Caeser Cipher was broken in A.D. 800 (or earlier) for longer messages unless you use a one time pad and a randomly generated shift. But, it's fun to break and manipulate.
+
+This tool is a work in progress.
+
+# Requirements
+
+  Python `=>` 3.5.2
+
+# Usage
+
+### Encrypt
+
+`python3 caeser-cipher.py encrypt "secretmessage"`
+
+For example: `python3 caeser-cipher.py encrypt "Hi, how are you?""`
+
+### Decrypt
+
+`python3 caeser-cipher.py decrypt "encryptedtext"`
+
+For example: `python3 caeser-cipher.py decrypt "hhhhhhhhhh"`

Caeser-Cipher/caeser-cipher.py

@@ -1,4 +1,4 @@
-# Python Caeser Cipher Helper v1.0.1
+# Python Caeser Cipher Helper v1.0.2
 # Usage (encrypt): python3 caeser-cipher.py encrypt secretmessage
 # Usage (decrypt): python3 caeser-cipher.py decrypt secretmessage
 
@@ -14,9 +14,9 @@ from sys import argv # Import tool to process command line arguments.
 script, action, ciphertext = argv # Take command line input.
 
 #ciphertext = input("Please type in your cipher text:") # Set variable cipertext to the input from user.
-shiftNum = input("Please enter the shift used (Just hit enter if you don't know):") # Get input
+shiftNum = input("Please enter the shift you would like to use (Just hit enter if you don't know the shift used):") # Get input
 #action = input("Please enter encrypt or decrypt):") # Get input
-ciphertext = re.sub (r'([^a-zA-Z ]+?)', '', ciphertext) # Remove all non-letters.
+ciphertext = re.sub (r'([^a-zA-Z]+?)', '', ciphertext) # Remove all non-letters.
 ciphertext = ciphertext.lower() # Make it all lowercase. https://www.geeksforgeeks.org/isupper-islower-lower-upper-python-applications/
 letters = list(string.ascii_lowercase) # Use a list of lowercase letters. https://stackoverflow.com/questions/43918437/how-to-iterate-through-the-alphabet
 letterCount = 0 # Set variable for keeping track of which letter in the ciphertext we're on.