Guess the random number 0-9

Echo "Let's guess the random number 0-9. You have three chances"
Count = 2
N = $ (random % 10 ))
While (count> = 0 ))
Do
Read-P "Please input:" Num
If ($ n = $ num ))
Then
Echo "Congratulation! The random number is $ n. You guessed $ (3-$ count) times in total"
Exit
Elif (n <num ))
Then
If ($ COUNT = 0 ))
Then
Echo-n "high"
Else
Echo "high, there are $ count opportunities"
Fi
Else
If ($ COUNT = 0 ))
Then
Echo-n "low"
Else
Echo "low, there are $ count opportunities"
Fi
Fi
(Count --))
Done
Echo "Unfortunately, you guessed it three times and you have no chance"
Echo "random number is $ N"

This article from the "Love armed for a lifetime" blog, please be sure to keep this source http://menglinux.blog.51cto.com/8733806/1439172