二分猜数简单shell脚本

#!/bin/bash
#A Little Game of Guess A Integer Between 0 ~ 99
#By kenthy#qingdaonews.com 2006-08-15

 

SNUM=`expr $RANDOM % 100`
echo "I just created an integer between 0~99 , and can you guess what it is ?"
GTIMES=0
while true
do
 echo -n "Your Surmise: "
 read GNUM
 GTIMES=`expr $GTIMES + 1`
 if [ $GNUM -eq $SNUM ] ; then
  echo "Congratuations!!! You'v Got It!!!"
  echo -e "The Number Is : $SNUM Your Guess Times Is : $GTIMES"
  exit 0
 elif [ $GNUM -gt $SNUM ] ; then
  echo "Not The Right Result. Reduce It And Try It Again."
  continue
 else
  echo "Not The Right Result. Increase it And Try It Again."
 fi
done