From 0652d1682e7a67f221d93ac168a8fedfaa2eb530 Mon Sep 17 00:00:00 2001
From: Ian Foster <mrlanrat@gmail.com>
Date: Sun, 22 Dec 2013 02:14:18 -0800
Subject: [PATCH] matrix script

---
 scripts/matrixish.sh | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100755 scripts/matrixish.sh

diff --git a/scripts/matrixish.sh b/scripts/matrixish.sh
new file mode 100755
index 0000000..30a618c
--- /dev/null
+++ b/scripts/matrixish.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+#
+# matrix: matrix-ish display for Bash terminal
+# Author: Brett Terpstra 2012 <http://brettterpstra.com>
+# Contributors: Lauri Ranta and Carl <http://blog.carlsensei.com/>
+#
+# A morning project. Could have been better, but I'm learning when to stop.
+
+### Customization:
+blue="\033[0;34m"
+brightblue="\033[1;34m"
+cyan="\033[0;36m"
+brightcyan="\033[1;36m"
+green="\033[0;32m"
+brightgreen="\033[1;32m"
+red="\033[0;31m"
+brightred="\033[1;31m"
+white="\033[1;37m"
+black="\033[0;30m"
+grey="\033[0;37m"
+darkgrey="\033[1;30m"
+# Choose the colors that will be used from the above list
+# space-separated list
+# e.g. `colors=($green $brightgreen $darkgrey $white)`
+colors=($green $brightgreen)
+### End customization
+
+### Do not edit below this line
+spacing=${1:-100} # the likelihood of a character being left in place
+scroll=${2:-0} # 0 for static, positive integer determines scroll speed
+screenlines=$(expr `tput lines` - 1 + $scroll)
+screencols=$(expr `tput cols` / 2 - 1)
+
+# chars=(a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9 ^)
+# charset via Carl:
+chars=(ｱ ｲ ｳ ｴ ｵ ｶ ｷ ｸ ｹ ｺ ｻ ｼ ｽ ｾ ｿ ﾀ ﾁ ﾂ ﾃ ﾄ ﾅ ﾆ ﾇ ﾈ ﾉ ﾊ ﾋ ﾌ ﾍ ﾎ ﾏ ﾐ ﾑ ﾒ ﾓ ﾔ ﾕ ﾖ ﾗ ﾘ ﾙ ﾚ ﾛ ﾜ ﾝ)
+
+count=${#chars[@]}
+colorcount=${#colors[@]}
+
+trap "tput sgr0; clear; exit" SIGTERM SIGINT
+
+if [[ $1 =~ '-h' ]]; then
+	echo "Display a Matrix(ish) screen in the terminal"
+	echo "Usage:		matrix [SPACING [SCROLL]]"
+	echo "Example:	matrix 100 0"
+	exit 0
+fi
+
+
+clear
+tput cup 0 0
+while :
+	do for i in $(eval echo {1..$screenlines})
+		do for i in $(eval echo {1..$screencols})
+			do rand=$(($RANDOM%$spacing))
+				case $rand in
+					0)
+						printf "${colors[$RANDOM%$colorcount]}${chars[$RANDOM%$count]} "
+						;;
+					1)
+						printf "  "
+						;;
+					*)
+						printf "\033[2C"
+						;;
+				esac
+			done
+			printf "\n"
+
+			# sleep .005
+		done
+		tput cup 0 0
+	done
-- 
1.9.1