mosaic.sh

#!/bin/bash
# mosaico.sh
# c0ded by @hc0d3r
 
move_xy(){
        printf "\e[$2;$1H"
}
 
clear_screen(){
        printf "\e[2J"
}
 
hide_cursor(){
        printf "\e[?25l"
}
 
show_cursor(){
        printf "\e[?12l\e[?25h"
}
 
hide_cursor
move_xy 0 0
clear_screen
 
lines=$(tput lines)
cols=$(tput cols)
 
while [ $lines != "0" ];do
        arr=()
        tamanho=0
 
        while [ $tamanho != $cols ];do
 
                while [ 1 ];do
                        x=$((RANDOM%cols))
                        if [[ " ${arr[*]} " != *" $x "* ]];then
                                        arr=("${arr[@]}" "$x")
                                break
                        fi
                done
 
                y=0
 
                color="\e[$((40 + RANDOM%8))m"
 
                while [ $y != $lines ];do
                        move_xy $x $y
                        printf "$color \e[0m"
                        move_xy $x $y
                        printf " "
                        ((y++))
                        move_xy $x $y
                        printf "$color \e[0m"
                done
 
                ((tamanho++))
 
        done
 
        ((lines--))
 
done
 
move_xy 0 $(tput lines)
printf "\n"
show_cursor