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# MORGROT (Morgana's Offline-First Rot13 Program)

## Introduction

This is a very basic [shift cypher](https://en.wikipedia.org/wiki/Caesar_cipher) encoder and decoder, created to serve as a basic offline tool and as my submission to the OFFLFIRSOCH. Two copies are included here, a [Rust version](src/main.rs) which is currently the recommended version, along with a [C version](old_version/morgrot.c) which functions pretty much identically and was the original. Although I doubt either program will be of much use to anyone except me, they're all licensed under the GPL3+, so feel free modify/use them for your own usage.
For more information, see the relevant Retrace post (on [Gemini](https://geminiprotocol.net/)) at [0x0005-acanthus-spinosus](gemini://icolotl.com/gemlog/0x0005-acanthus-spinosus).

## Usage

Both programs read standard input and output to standard output, so you can pipe input text to the program or enter it interactively followed by a EOF (usually Ctrl-D on most terminals.)

## Examples

$ echo "Lorem ipsum dolor sit amet, consectetur adipiscing elit." | ./morgrot

Yberz vcfhz qbybe fvg nzrg, pbafrpgrghe nqvcvfpvat ryvg.

$ echo "Lorem ipsum dolor sit amet, consectetur adipiscing elit." | ./morgrot 3

Oruhp lsvxp groru vlw dphw, frqvhfwhwxu dglslvflqj holw.

$ echo "Oruhp lsvxp groru vlw dphw, frqvhfwhwxu dglslvflqj holw." | ./morgrot -3

Lorem ipsum dolor sit amet, consectetur adipiscing elit.