mypath="$HOME/tmp/tmpfj"
current_pid=$$
if [ ! -d "${mypath}" ]
then
        mkdir "${mypath}"
fi
parent_id=$(ps -o pid,ppid,comm | grep $current_pid | awk -v current_pid_var=$current_pid '$1==current_pid_var{print $2}')
if [ ! -f "$mypath/$parent_id" ]
then
        touch "$mypath/$parent_id"
fi
filetype=""
if [[ $# -ge 2 && "$2" != "-" ]];
then
        filetype="*.$2"
fi
filepath="*"
path1="."
if [ $# -ge 3 ];
then
        filepath="$3/*"
        path1="$3"
fi

if [ "$filetype" = "" ];
then
        grep -rn -E "$1" $filepath|\
         awk 'BEGIN{FS=":";count=1}
                {printf("[%d]: %s:%d:",count,$1, $2);
                        for (i=3; i<=NF;i++) printf("%s",$i)
                        print "";count+=1;}' | tee "$mypath/$parent_id"
else
         find $path1 -name "$filetype" -print | xargs grep -nE "$1" \
        | awk 'BEGIN{FS=":";count=1}
                {printf("[%d]: %s:%d:",count,$1, $2);
                        for (i=3; i<=NF;i++) printf("%s",$i)
                        print "";count+=1;}' | tee "$mypath/$parent_id"
fi
cnt=$(awk 'END{print FNR}' "$mypath/$parent_id")
if [ $cnt -eq 0 ]
then
        echo "********  / ^_^ \  |__|  / ^_^ \\  ********"
        exit -1
fi
num=""
read num?"输入查询的数字:"
if [[ $num == ""  || $num == "\n" ]]
then
        exit -1
fi
testnum=$(echo "$num" | grep [^0-9])

if [ "$testnum" == "" ]
then
                fn "$num" "$parent_id"
else
                echo "请输入正确的数字"
#read num
#testnum=$(echo "$num" | grep [^0-9])
#       if [ "$testnum" == "" ]
#       then
#       fn "$num" "$parent_id"
#       else
#       echo "请输入正确的数字,不给你机会了！"
#       exit -1
        #               fi
fi