.
./files.txt
./RA-QD02-0062-02.pdf
./sample.txt
./SEM
./SEM/20110111
./SEM/20110111/RASEM-BSE-440_02.bmp
./SEM/20110111/RASEM-BSE-440_02.txt
./SEM/20110111/RASEM-EDS-RA-QD02-0062-02.docx
./SEM/20110111/RASEM-EDS-RA-QD02-0062-02.txt
./tree.txt