LetterShifter2 -- A commandline caesar cipher program written in C++.
It will shift every character in a text forward or backwards in the alphabet, ignoring symbols.

Usage:
     LetterShifter2
     LetterShifter2 [shift value]
     LetterShifter2 [shift value] [input file]
     LetterShifter2 [shift value] [input file] [output file]
     LetterShifter2 -v
     LetterShifter2 --version

The -v or --version argument will output version information.
Any arguments not provided will be passed through standard input.
The shift value may be any integer from 1 to 25, or from -1 to -25.


Copyright 2011 Herbert F. Gilman. This work is licensed under the
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to:
Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.