第14章练习，shell脚本编程实例-1
### level=1i=1
while [ $i -le 4 ];do
j=1;k=1
while [ $j -le 4 ];do
echo -e "\033[49m\033[0m\033[47m\033[0m\c"
let j++
done
echo
while [ $k -le 4 ];do
echo -e "\033[47m\033[0m\033[49m\033[0m\c"
let k++
done
echo
let i++
done
###
echo
echo this is level 1
echo
echo
#### level=2
#
declare -i s
while true;do
read -p "choose the level 1-9: " s
if [[ "$s" =~ ^$ ]] &>/dev/null ;then
break
else
echo wrong number
fi
done
PS3="choose the first color(1-8): "
select manu in red green yellow blue voilet light-blue white black;do
case $manu in
red)
echo you have choose the $manu be the first color
break
;;
green)
echo you have choose the $manu be the first color
break
;;
yellow)
echo you have choose the $manu be the first color
break
;;
blue)
echo you have choose the $manu be the first color
break
;;
voilet)
echo you have choose the $manu be the first color
break
;;
light-blue)
echo you have choose the $manu be the first color
break
;;
white)
echo you have choose the $manu be the first color
break
;;
black)
echo you have choose the $manu be the first color
break
;;
*)
echo i cant hera you
esac
done
first=$REPLY
PS3="choose the second color(1-8): "
select manu in red green yellow blue voilet light-blue white black;do
case $manu in
red)
echo you have choose the $manu be the second color
break
;;
green)
echo you have choose the $manu be the second color
break
;;
yellow)
echo you have choose the $manu be the second color
break
;;
blue)
echo you have choose the $manu be the second color
break
;;
voilet)
echo you have choose the $manu be the second color
break
;;
light-blue)
echo you have choose the $manu be the second color
break
;;
white)
echo you have choose the $manu be the second color
break
;;
black)
echo you have choose the $manu be the second color
break
;;
*)
echo i cant hera you
esac
done
second=$REPLY
let color1=40+first
let color2=40+second
#### while code
i=1
while [ $i -le 4 ];do
j=1;while [ $j -le $s ];do
k=1;while [ $k -le 4 ];do
m=1;n=1
while [ $m -le $s ];do
echo -e "\033[${color1}m\033[0m\c"
let m++
done
while [ $n -le $s ];do
echo -e "\033[${color2}m\033[0m\c"
let n++
done
let k++
done
echo
let j++
done
j=1;while [ $j -le $s ];do
k=1;while [ $k -le 4 ];do
m=1;n=1
while [ $m -le $s ];do
echo -e "\033[${color2}m\033[0m\c"
let m++
done
while [ $n -le $s ];do
echo -e "\033[${color1}m\033[0m\c"
let n++
done
let k++
done
echo
let j++
done
let i++
done
##ending
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