shell圣诞树脚本

圣诞树`# 第一个

#!/bin/bash
#用shell编写一个圣诞树
#创建时间2020-12-21
trap "tput reset; tput cnorm; exit" 2
clear
tput civis
lin=2
col=$(($(tput cols) / 2))
c=$((col-1))
est=$((c-2))
color=0
tput setaf 2; tput bold

# 打印树叶
for ((i=1; i<20; i+=2))
{
    tput cup $lin $col
    for ((j=1; j<=i; j++))
    {
        echo -n \*
    }
    let lin++
    let col--
}

tput sgr0; tput setaf 3

# 打印树干
for ((i=1; i<=2; i++))
{
    tput cup $((lin++)) $c
    echo '||'
}
new_year=$(date +'%Y')
let new_year++
tput setaf 222; tput bold
tput cup $lin $((c - 10));  echo $new_year  圣 诞 节 快 乐！！！
color=122
tput setaf $color; tput bold
tput cup $((lin + 1)) $((c - 10));
let c++
k=1

#装饰一下
while true; do
    for ((i=1; i<=35; i++)) {
        # Turn off the lights
        [ $k -gt 1 ] && {
            tput setaf 2; tput bold
            tput cup ${line[$[k-1]$i]} ${column[$[k-1]$i]}; echo \*
            unset line[$[k-1]$i]; unset column[$[k-1]$i]
        }

        li=$((RANDOM % 9 + 3))
        start=$((c-li+2))
        co=$((RANDOM % (li-2) * 2 + 1 + start))
        tput setaf $color; tput bold
        tput cup $li $co
        echo o
        line[$k$i]=$li
        column[$k$i]=$co
        color=$(((color+1)%8))

        sh=1
                #for l in M O N E Y
                for l in
        do
            tput cup $((lin+1)) $((c+sh))
            echo $l
            let sh++
            let sh++
            sleep 0.02
        done
    }
    k=$((k % 2 + 1))
done

圣诞树`# 第二个

#!/bin/bash
# Author:
# Create Time:
# File Name:
# Description：
 
DrawTriangle() {
	a=$1
	color=$[RANDOM%7+31]
	if [ "$a" -lt "8" ] ;then 
		b=`printf "%-${a}s\n" "0" |sed 's/\s/0/g'`
		c=`echo "(31-$a)/2"|bc`
                d=`printf "%-${c}s\n"`
		echo "${d}`echo -e "\033[1;5;${color}m$b\033[0m"`"
	elif [ "$a" -ge "8" -a "$a" -le "21" ] ;then
		e=$[a-8]
		b=`printf "%-${e}s\n" "0" |sed 's/\s/0/g'`
		c=`echo "(31-$e)/2"|bc`
		d=`printf "%-${c}s\n"` 
		echo "${d}`echo -e "\033[1;5;${color}m$b\033[0m"`"
	fi
}
DrawTree() {
	e=$1
	b=`printf "%-5s\n" "|" | sed 's/\s/|/g'`
	c=`echo "($e-5)/2"|bc`
	d=`printf "%-${c}s\n" " "`
	echo -e "${d}${b}\n${d}${b}\n${d}${b}\n${d}${b}\n${d}${b}\n${d}${b}"
}
Display(){
	for i in `seq 1 2 31`; do
		[ "$i"="21" ] && DrawTriangle $i
		if [ "$i" -eq "31" ];then	
			DrawTree $i
		fi
	done
}
while :
do
	Display
	sleep 2
	clear
done