原文链接,感谢原作者

功能：对用户从键盘输入的数字，进行排序，以1,2,3,4,5……升序格式输出，同时

不限定个数。

用到知识点：

比上篇多一个read和不定循环的实现

  #！/bash/shell
   #Fuction:read different numbers and sort them
   #Date:2011 04 19
  #Version:1.0.0.0
 
  PATH=$PATH
  LANG=C
 
   export C
 
  i=0
  var[1]=0
 
  #1.input intergers
  while [ "$num" != "NO" ]
  do
      read -p "please input interger,else input NO to stop:"  num
      let i++
      var[i]=$num
  done
  let i--
 
 #2.sort
  for (( a=1; a<=$i-1; a=a+1 ))
  do
   for (( j=1; j<=$i-a; j=j+1 ))
     do
      if [  "${var[$j]}" -gt "${var[$j+1]}"  ]; then
           tmp="${var[$j]}"
           var[$j]="${var[$j+1]}"
           var[$j+1]="$tmp"
       fi
    done
 done
 
  #3.output
  result=""
  for ((a=1; a<=$i-1; a=a+1 ))
  do
     result="$result${var[$a]},"
  done
 
  echo "$result${var[$i]}"
 
  exit 0