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#!/bin/env sh | |
lines=$(tput lines) | |
cols=$(tput cols) | |
awkscript=' | |
{ | |
letters="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789@#$%^&*()" | |
lines=$1 | |
random_col=$3 | |
c=$4 | |
letter=substr(letters,c,1) | |
cols[random_col]=0; | |
for (col in cols) { | |
line=cols[col]; | |
cols[col]=cols[col]+1; | |
printf "\033[%s;%sH\033[2;32m%s", line, col, letter; | |
printf "\033[%s;%sH\033[1;37m%s\033[0;0H", cols[col], col, letter; | |
if (cols[col] >= lines) { | |
cols[col]=0; | |
} | |
} | |
} | |
' | |
echo -e "\e[1;40m" | |
clear | |
while :; do | |
echo $lines $cols $(( $RANDOM % $cols)) $(( $RANDOM % 72 )) | |
sleep 0.05 | |
done | awk "$awkscript" |
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