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