Ian Foster / dotfiles

Download as
Browse Code »

Commit 0652d1682e7a67f221d93ac168a8fedfaa2eb530

Authored by Ian Foster
1 parent 83e4d81b44
Exists in master

matrix script

Showing 1 changed file with 74 additions and 0 deletions Inline Diff

scripts/matrixish.sh View file @ 0652d16
File was created 1 #!/bin/bash
2 #
3 # matrix: matrix-ish display for Bash terminal
4 # Author: Brett Terpstra 2012 <http://brettterpstra.com>
5 # Contributors: Lauri Ranta and Carl <http://blog.carlsensei.com/>
6 #
7 # A morning project. Could have been better, but I'm learning when to stop.
8
9 ### Customization:
10 blue="\033[0;34m"
11 brightblue="\033[1;34m"
12 cyan="\033[0;36m"
13 brightcyan="\033[1;36m"
14 green="\033[0;32m"
15 brightgreen="\033[1;32m"
16 red="\033[0;31m"
17 brightred="\033[1;31m"
18 white="\033[1;37m"
19 black="\033[0;30m"
20 grey="\033[0;37m"
21 darkgrey="\033[1;30m"
22 # Choose the colors that will be used from the above list
23 # space-separated list
24 # e.g. `colors=($green $brightgreen $darkgrey $white)`
25 colors=($green $brightgreen)
26 ### End customization
27
28 ### Do not edit below this line
29 spacing=${1:-100} # the likelihood of a character being left in place
30 scroll=${2:-0} # 0 for static, positive integer determines scroll speed
31 screenlines=$(expr `tput lines` - 1 + $scroll)
32 screencols=$(expr `tput cols` / 2 - 1)
33
34 # 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 ^)
35 # charset via Carl:
36 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)
37
38 count=${#chars[@]}
39 colorcount=${#colors[@]}
40
41 trap "tput sgr0; clear; exit" SIGTERM SIGINT
42
43 if [[ $1 =~ '-h' ]]; then
44 echo "Display a Matrix(ish) screen in the terminal"
45 echo "Usage: matrix [SPACING [SCROLL]]"
46 echo "Example: matrix 100 0"
47 exit 0
48 fi
49
50
51 clear
52 tput cup 0 0
53 while :
54 do for i in $(eval echo {1..$screenlines})
55 do for i in $(eval echo {1..$screencols})
56 do rand=$(($RANDOM%$spacing))
57 case $rand in
58 0)
59 printf "${colors[$RANDOM%$colorcount]}${chars[$RANDOM%$count]} "
60 ;;
61 1)
62 printf " "
63 ;;
64 *)
65 printf "\033[2C"