.
./files.txt
./RB-QD04-0047-02-01.pdf
./reports
./reports/CAT3_Uesugi
./reports/CAT3_Uesugi/CAT3_Uesugi-RB-QD04-0047-02-01_02_MU.pdf
./reports/CAT3_Uesugi/CAT3_Uesugi-RB-QD04-0047-02-01_02_MU.txt
./reports/CAT3_Yabuta
./reports/CAT3_Yabuta/CAT3_Yabuta-RB-QD04-0047-02-01_02_HY.pdf
./reports/CAT3_Yabuta/CAT3_Yabuta-RB-QD04-0047-02-01_02_HY.txt
./sample.txt
./tree.txt