shell脚本--定时导出文件分组

#!/bin/bash
#email gqoyvf@163.com
export LANG="en_US.UTF"
this_date=`date +%y%m%d`
cd /home/sonar_pdf
if [ ! -d "/home/sonar_pdf/${this_date}" ];then
        mkdir ${this_date}
fi
find /var/lib/jenkins/workspace -type f -name "*.pdf" -exec mv -f {} /home/sonar_pdf/${this_date} \;
cd /home/sonar_pdf/${this_date}
find ./ -maxdepth 1 -name "*.pdf">this_pdf.txt
cat this_pdf.txt|while read li
do
        this_dir=${li##*_}
        this_dir=${this_dir%.*}
        if [[ -z "$this_dir" ]];then
                if [[ ! -d "undef" ]];then
                        mkdir undef
                fi
                mv -f $li ./undef
        else
                if [[ ! -d "$this_dir" ]];then
                        mkdir $this_dir
                fi
                mv -f $li $this_dir
        fi

done
rm -f this_pdf.txt
if [ ! -d "/home/sonar_pdf/logs" ];then
        mkdir /home/sonar_pdf/logs
fi

cd /home/sonar_pdf/logs

echo "`date` running successfully!">>01_import.log