shell脚本练习01
1 ######################################################################### 2 # File Name: 4.5.sh 3 # Author: zhang yunabo 6 ######################################################################### 7 #!/bin/bash 8 minparams=10 9 echo 10 11 echo "the name of this script is \"$0\"" 12 echo "the name of this script is \"`basename $0`\"" 13 14 echo 15 16 if [ -n $1 ] 17 then 18 echo "Parameters is $1" 19 fi 20 21 if [ -n "$2" ] 22 then 23 echo "Parameters 2 is $2" 24 fi 25 26 if [ -n "${10}" ] 27 then 28 echo "Parameters 10 is ${10}" 29 fi 30 echo "-------------------" 31 echo "all parameters are:"$*"" 32 33 if [ $# -lt "$minparams" ] 34 then 35 echo 36 echo "this script needs at last $minparams parameters." 37 fi 38 echo 39 exit 0 40