批量修改文件名

#/bin/sh
IFS=$(echo -en "\n\b")
function myrename()
{
    for filename in $(ls $1 -1) 
    do
        if [ -f $filename ]; then
            tmp=$(echo $filename | awk '{if(NF==2)print $1"-V1.0.doc"}')
            mv $filename $tmp
        fi
    done
}

function getfile()
{
    for file in $(ls $1 -1)
    do
        if [ -d $1"/"$file ]; then
            getfile $1"/"$file;
        else
            myrename $1"/"$file
        fi
    done
}

getfile aa