shell脚本练习01

  #########################################################################
   # File Name: 4.5.sh
   # Author: zhang yunabo
   #########################################################################
   #!/bin/bash
   minparams=
   echo

  echo "the name of this script is \"$0\""
  echo "the name of this script is \"`basename $0`\""

  echo

  if [ -n $ ]
  then
      echo "Parameters is $1"
  fi  

  if [ -n "$2" ]
  then
      echo "Parameters 2 is $2"
  fi

  if [ -n "${10}" ]
  then
      echo "Parameters 10 is ${10}"
  fi
  echo "-------------------"
  echo "all parameters are:"$*""

  if [ $# -lt "$minparams" ]
  then
      echo
      echo "this script needs at last $minparams parameters."
  fi
  echo
  exit