#!/bin/bash
# crypto-quote.sh: Àο빮À» ¾Ïȣȭ

# ÀÌ ½ºÅ©¸³Æ®´Â À¯¸íÇÑ Àο빮À» °£´ÜÇÑ 1:1 ¾ËÆĺª ġȯÀ» ÅëÇØ ¾Ïȣȭ ½ÃÄÑÁÝ´Ï´Ù.
#  °á°ú´Â ÀÏ¿ä ½Å¹®ÀÇ Op Ed(¿Å±äÀÌ: Opposite Editorial, ½Å¹®ÀÇ ¼­¸í ±â»ç³ª 
#+ ³íÆòÀÌ ½Ç¸®´Â ÆäÀÌÁö)¿¡¼­ º¼ ¼ö ÀÖ´Â "Crypto Quote" ÆÛÁñ°ú ºñ½ÁÇÕ´Ï´Ù.


key=ETAOINSHRDLUBCFGJMQPVWZYXK
# "key" ´Â ´Ü¼øÈ÷ ¾ËÆĺªÀ» µÚ¼¯¾î ³õÀº °ÍÀÔ´Ï´Ù.
# ÀÌ "key"¸¦ ¹Ù²Ù¸é ¾Ïȣȭ°¡ ¹Ù²î°Ô µË´Ï´Ù.

# 'cat "$@"' ´Â Ç¥ÁØÀÔ·ÂÀ̳ª ÆÄÀÏ¿¡¼­ ÀÔ·ÂÀ» ¹Þ¾Æ µéÀÔ´Ï´Ù.
# Ç¥ÁØÀԷ¿¡¼­ ÀÔ·ÂÀ» ¹Þ´Â ´Ù¸é Control-D ·Î ³¡³»¸é µÇ°í,
# ÆÄÀÏÀ̶ó¸é ¸í·É¾îÁÙ ¸Å°³º¯¼ö·Î ÆÄÀÏÀ̸§À» ÁöÁ¤ÇØ ÁÖ¸é µË´Ï´Ù.

cat "$@" | tr "a-z" "A-Z" | tr "A-Z" "$key"
#        |  ´ë¹®ÀÚ·Î      |     ¾Ïȣȭ       
# ¼Ò¹®ÀÚ, ´ë¹®ÀÚ, ´ë¼Ò¹®ÀÚ°¡ ¼¯ÀÎ Àο빮¿¡ ´ëÇؼ­ µ¿ÀÛÇÕ´Ï´Ù.
# ¾ËÆĺªÀÌ ¾Æ´Ñ ¹®ÀÚµéÀº ±×´ë·Î µÓ´Ï´Ù.


# ÀÌ ½ºÅ©¸³Æ®¿¡ ÀÌ·± ÀÔ·ÂÀ» ³Ö´Â´Ù¸é,
# "Nothing so needs reforming as other people's habits."
# --Mark Twain
#
# °á°ú´Â ´ÙÀ½°ú °°À» °Ì´Ï´Ù:
# "CFPHRCS QF CIIOQ MINFMBRCS EQ FPHIM GIFGUI'Q HETRPQ."
# --BEML PZERC

# º¹È£È­¸¦ ÇÏ·Á¸é ÀÌ·¸°Ô ÇÏ¸é µË´Ï´Ù:
# cat "$@" | tr "$key" "A-Z"


#  ÀÌ °£´ÜÇÑ ¾Ïȣȭ´Â ¿¬ÇÊ°ú Á¾À̸¦ °¡Áö°í 
#+ Æò±Õ 12 ³â Á¤µµ °è»êÇÏ¸é ±Ý¹æ ±úÁý´Ï´Ù.

exit 0